Answer:
the box is 6
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
b is the y value of the equation.
8a = -3b - 5 Let b = - 7
8a = -3*-7 - 5 Combine
8a = 21 - 5 Combine the right again.
8a = 16 Divide by 8
8a/8 = 16/8
a = 2
It would be 12
12^2 + 9^2 is 225
15^2 is 225
therefore 12^2+9^2=15^2
Answer:
1. 72, 2. 36, 3. 80, 4. 54
Step-by-step explanation: