Answer:
15
Step-by-step explanation:
6/10=9/x
cross multiply
6x=9*10
6x=90
x=90/6x=15
-3(b - 7)
Distributive property
-3*b = -3b
-3*7 = -21
-3b + 21
Answer: -3b + 21
for a spade to be pulled from a deck of cards is 13/52 chance.
for you to pull an ace from the deck is 4/52.
