If he is an intended math major, he may want to ask the math department directly about math course equivalency, as described in some of the FAQs listed at https://math.berkeley.edu/programs/undergraduate/faqs (questions 1, 6, 7).
If he is an intended math major, he may want to ask the math department directly about math course equivalency, as described in some of the FAQs listed at https://math.berkeley.edu/programs/undergraduate/faqs (questions 1, 6, 7).