Answer:
18.75%
Step-by-step explanation:
Altogether he took 16 tests he failed 3 so we need to find 3 is what percent of 16.
Answer: 
Step-by-step explanation:
DIAMETER length = 6
radius length = 3
Area of the circle = 
Answer:
x=1
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
To be a function each x-value (input) should have only one y-value (output). Here you can see when x=2 it has an output of either 5 or 1. Therefore, the relation is NOT a function.