Answer:
1. f = -9
2. x = -7
3. x = -9
4. x = -20
5. y = 7.5
Step-by-step explanation:
Hope this helps
Answer:
B and E
Step-by-step explanation:
Answer:
C. 15
Step-by-step explanation:
The following proportional can be set-up for the figure given:

Solve for x


Cross multiply


15 = 6x - 5x
15 = x
x = 15
Answer:
-6
Step-by-step explanation:
10 - 4 = 6
Turn it to negative.
-6