Answer:
$12
Step-by-step explanation:
42 - 6 = 36
36/3
12
2 times x -4=12
2x-4=12
Let x= 8
(2.8)-4=12
16-4= 12
So the answer is 8
Answer:
15ft
Step-by-step explanation:
a^2 + b^2 = c^2
12 or 9 can equal to b or a
12^2 + 9^2 = c^2
144 + 81 = c ^2
225 = c^2
Square root of 225
15 = c
Answer:
He had $7.79.
Step-by-step explanation:
8.43 + 0.25 = 8.68
8.68 - 0.89 = 7.79