Answer:
If he goes on 7 rides he will play $48
The equation if he goes on r rides is $20+$4r
Step-by-step explanation:
Combine like terms. 3w-3w=0. 8+2-8=2. So the answer is 2. I hope this helps!
Answer:

Step-by-step explanation:
Let x be the distance from the foot of the ladder to the base of the building.
We have a right triangle, so we can use Pythagoras' Theorem.

Step-by-step explanation:
it is 12 because 12 - 7 is 5 the number 4 is the number multiplied by 3