Step-by-step explanation:
2y=14
y=7
-2x-2(7)=-28
-2x=-28+14
-2x=-14
x=7
Answer:
Felix's third test score must be greater than 94
Step-by-step explanation:
Felix scores on Sociology 212 tests:
1st test - 52
2nd test - 64
3rd test - x
Find the average of Felix's scores:

An average of the three test must be above 70, this means

Solve this inequality. First, multiply it by 3:
