Answer:
23
Step-by-step explanation:
(36-5)-4x2
31-4x2
31-8
23
Answer:
220
Step-by-step explanation:
220
Answer:-3(
)
Step-by-step explanation:

firstly we should find the common factor between
, 6x and -9, the common between them is -3
-3(
)
and (
) cannot factorize
-
Answer:
Alexis = 59
Becca = 74
Cindy = 152
Step-by-step explanation:
a + b + c = 285
a = b - 15
c = 2b + 4
Answer:
She can use a calculator
Step-by-step explanation: