Nolan is a running back on his football team. He gained 13 yards on his first carry. He lost 12 yards on his second carry and he gained 20 yards on his third carry. How many total yards did Nolan carry the ball? Need help NEOW

21

Step-by-step explanation:

13-12=1+20=21

hope this helps!!

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.