Answer:
Step-by-step explanation:
question 1. 13) 1/2 ( 4a + 12) =
(13(1/2) ) (4a) + (13(1/2) ) (12) = 26a+78
question 2. (14)(4)b2+3.5−2a+3.5b2−a
=56b2+3.5+−2a+3.5b2+−a
Combine Like Terms:
=56b2+3.5+−2a+3.5b2+−a
=(56b2+3.5b2)+(−2a+−a)+(3.5)
=59.5b2+−3a+3.5
