Marco picked answer A for the following problem. Why is that not the correct answer?

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

If the class was going to get a class pet and 5 picked fish and 7 pick bird and 8 picked rabbits have many students were in the