Answer:
14
Step-by-step explanation:
If Donnie is 3 times younger than Donnie's dad, that adds up to four parts. In other words, Donnie is 1/4 his dads age. So, divide 56 by four and you have Donnie's age. The rest is Donnie's dad age.
Answer:
Undefined
subtract your two points (y-y)/(x-x)
Answer:
The negative of a negative is a positive. You can rewrite the equation as -3+1. So, the answer is -2.
:)