Question

Which expressions are equivalent to -56z + 28.

A. 1/2 *(-28z + 14
B. (-1.4z+0.7) *40
C. (14 -7z) *(-4)
D.(8z - 4) (-7)
E. -2(-28z-14)

There are 2 right answers. Plz help!

Answer 1

B and C

Explanation:

(-7)•8z = -56z

(-4)•(-7)=28

and

40•(-1.4)= -56z

40•0.7= 28