The rabbit population in a certain area is 200% of last year's population. there are 700 rabbits this year. how many were there last year?

Given the following statements, which is the best

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)