The Reaction 2A + 5B $\to$ Products Is Second Order in a and First Order in in a and First

Multiple Choice

The reaction 2A + 5B $\to$ products is second order in A and first order in B.What is the rate law for this reaction?

A) rate = k[A]²[B]⁵
B) rate = k[A]¹[B]²
C) rate = k[A]²[B]¹
D) rate = k[A]⁵[B]²
E) rate = k[A]^2/7[B]^5/7