Answer:
Step-by-step explanation:
let the numbers be 7x,y,y,y.
7x+3y=36
3y=36-7x

numbers are 7×3,5,5,5
or 21,5,5,5
21×5×5×5=2625
Answer:
b = 7
Step-by-step explanation:
108 = -2(-5 - 7b)
Distribute -2 to the terms inside the parenthesis:
108 = 10 + 14b
Subtract 10 from both sides of the equation to isolate 14b:
108 - 10 = 10 + 14b - 10
98 = 14b
Divide 14 on both sides of the equation to solve for b:

7 = b
Answer:
See below
Step-by-step explanation:
1. B
2. C
3. C
4. A
5. D
6. B
7. A
8. D
Answer:
Step-by-step explanation:
QR = 27 ÷ 2 = 13.5