<li>If J is chosen at random from the set {4,5,6} and k is chosen at random from the se {10.11.12}, what is the probability that the product of j and k is divisible by 5?</li>
</ol>
<p>2.tx+12y=-3
the equation above is the equation of a line in the xy-plane, and t is a constant. if the slope of the line is -10, what is the value of t?</p>
<li>A sphere of radius r inside a cube touches each one of the six side of the cube. what is the volue of the cube,in terms of r?</li>
</ol>
<p>4.when a certain odd number is divided by 5, the remainder is 1. which digit must be in the units place of this odd number? A)1 B)3 C)5 D)7 E)9</p>
<p>5.The number n is a 2digit number. when n is divided by 10, the remainder is 9, when n is divided by 9, the remainder is 8. what is the value of n?</p>
<li><p>In the xy-plane, the graph of the function f is a line. if f(2)=7 and f(12)=1, what is the value of f(7)?A)5.2 B)5 C)4.6 D)4 E)3.4</p></li>
<li><p>Tom and Alison are both salespeople. tom’s weekly compensation consists of $300 plus 20 percent of his sales. Alison’s weekly compesation consists of $200 plus 25 percent of her sales. if they both had the same amount of sales and the same compensation for a particular week, what was that compensation, in dollars?</p></li>
</ol>
<p>8.</p>
<p>x -1 0 1
f(x) 1/8 1/2 2</p>
<p>the table shows some values for the function f. the f(x)=ka^x for some constants k and a. what is the value of a?</p>
<li><p>the sum of the positive odd integers less than 100 is subtracted from the sum of the positive even integers less than or equal to 100. what is the resulting difference?</p></li>
<li><p>f(x)=kg(x)+2
the function f above is defined in terms of another function g for all values of x, where k is a constant if t is a number for which f(t)=30 and g(t)=8. what does k equal?</p></li>
<li><p>Barb’s motor scooter has a 2-gallon gas tank and can travel m miles on 1 gallon of gas. If gas costs $1.25 per gallon and Barb spends d dollars to fill the tank, which of the following represents the amount of gas, in gallons, that was in the tank before she filled it?</p></li>
<li><p>0 0 X(shaded note) 0</p></li>
</ol>
<p>a student practices the four musical notes above starting with the note furthest left and continuing in order from left to right. If the student plays these notes over and over according to this pattern and stops immediately after playing the shaded note. which of the following could be the total number of notes played?</p>
<p>13.n(t)=500(0.81)^t
the function above can be used to model the population of a certain endangered species of animal. if n(t) gives the number of the species living t decades after the year 1900, which of the following is true about the population of the species from 1900 to 1920?</p>
<p>A)it increased by about 1000
B)it increased by about 320
C)it decreasedby about 180
D)it decreased by about 320
E)it decreased by about 1000</p>
<p>thx alot!!!</p>