Answer: B 386
Step-by-step explanation:
(7*15)*2 + (7*4)*2 + (15*4)*2
= 210+120+56
= 386
Answer:
13
Step-by-step explanation:
Replace the variable x with -2 in the expression.
f (-2) = -3 x -2 -2
Simplify (-3 x -2 -2) + 9
Multiply -3 by -2
6 - 2 + 9
Subtract 2 from 6
4 + 9
add 4 and 9
13.
Answer:
$63
Step-by-step explanation:
30% of 90 is 27
90-27=63
Answer:
x=20
Step-by-step explanation:
x=20 because 4×20=80
and 80-20= 60