<p>hello</p>
<p>some Mathe level 1 question before the test </p>
<p>please help me to solve it</p>
<p>1) if x > 0 and the ratio of 4 to X is equal to ratio of 2x to 18 . what is the value of x?</p>
<p>A)3
b) 4
c) 6
d) 8
E) 9</p>
<p>second one</p>
<p>2) in a circle , an arc measuring 130 degree is what perecent of the cirumference of the circle?</p>
<p>a) 36.1%
b) 37.1%
c) 38.5%
d) 56.5%
e) 72.2%</p>
<p>last one </p>
<p>3) which of the following is a linear function</p>
<p>a) f(x) = 3/5 - x/2</p>
<p>b) f(x) = 2/x + 5/7</p>
<p>c) f(x) = x power 2</p>
<p>d) f(x) = 2√x</p>
<p>e) f(x) = -lxl</p>
<p>thanks for all</p>