Question 3.(Not sure how many more of these i will need to ask help on)

Answer:
80p + 48q - 8
Step-by-step explanation:
just multiply the 8 on the outside of the parentheses by each term inside the parentheses.
8 (10p + 6q - 1)
8*10p = 80p
8*6q = 48q
8* -1 = -8
= 80p + 48q - 8