Answer:-44
Step-by-step explanation:
-16-(28)=-44
it would be 66 cause you know it
Step-by-step explanation:
Find the cost of one part and then multiply that number by 9
Answer:
y = 5 and y = 1
Step-by-step explanation:

⇒ (3y - 2)² + 7 - 7 = 43 - 7
⇒ (3y - 2)² = 36

⇒ √(3y - 9)² = √36
⇒ 3y - 9 = ±6

⇒ 3y - 9 + 9 = 6 + 9
⇒ 3y = 15

⇒ 3y/3 = 15/3
⇒ y = 5

⇒ 3y - 9 + 9 = -6 + 9
⇒ 3y = 3

⇒ 3y/3 = 3/3
⇒ y = 1
ok so the easy way is this
Marc says he will have 20 if he doubles his cards.
if u divide 20 by 2 = 10
but His friend gave him 3 cards before.which means that
10-3 = 7
He started with 7 cards
I answered b and c.