Answer:
B
{(8,-9), (-8,-5), (8-7), (-8,-6)}
Step-by-step explanation:
A function can have two X values but not two Y values
Answer:

Step-by-step explanation:
when solving and equation with a variable, you must work backwards and do the opposite of the equation
sooo… you must subtract 4 (opposite of +4 is -4)

x=12
Answer:
71614
Step-by-step explanation:
7200-386= 71614
10% because walking is only 10 percent of the hrs