Answer:
5x+56
Step-by-step explanation:
5x+8(5+2)
5x+8(7)
5a+5b because 6a-a=5a and 8b-3b=5b. 5a+5b.
Answer:
A. less than three batteries were used in five hours.
Answer:
-20
Step-by-step explanation:
x(-y+z) [Switch in the values]
=5(-5+1) [Use distributive property and multiply]
=(-25)+5 [do the basic math]
=(-20) [final answer]