Answer:
k = 13.5
Step-by-step explanation:
Setup proportion and solve for k:

Hello,
i would go for A)
take it as a guess
Answer:
h = -9
Step-by-step explanation:
Distribute the 2 to the parentheses:
5h + 2(11 - h) = -5
5h + 22 - 2h = -5
Add like terms:
3h + 22 = -5
3h = -27
h = -9
2 to the power of 6 or 4 to the power of 3