Answer:
3
Step-by-step explanation:
hope it is right and is helpful
20 times 4 will get to 80
Answer:
84x
Step-by-step explanation:
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.

Answer:
64
Step-by-step explanation:
the answer is 64 hope this helps