Answer:
(a) 9
Step-by-step explanation:

substitute r = 4, t = 2

simplify

cubic of 2 is 8

simplify

Answer:
Your 1st answer is correct
Step-by-step explanation:








Answer:
1. spends $80
2. Each garlic bread costs the same
3. Orders a pizza for 25.50 and two garlic breads
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
the rectagler is 4 by 8 then the other one is 7 bye 4
answer c
Answer:
600
Step-by-step explanation:
.7x = 420
x = 420/0.7
x = 600