Answer:
C=10pi
Step-by-step explanation:
Answer:
7/4
Step-by-step explanation:
its d because 4/7 =7/4
The answer is c hopefully it helps
Answer:
-1 
Step-by-step explanation:
4x-8y=15
4x-8y-4x=15-4x
-8y=15-4x
-8y/-8=15-4x/-8
y=-1 7/8+1/2x
slope is -1 7/8