Answer:
-11
Step-by-step explanation:
Given

Use properties:

Thus,

Technically, none of the equations.
The equation you're looking for would be:
x²+(x+20)²=150²
Answer:
large truck = 45miles small truck = 60miles
Step-by-step explanation:
180/4 and 180/3
5 feet is 5*12=60 inches. Therefore, our ratio is 28:60. Dividing both terms by 4, we see that the most simple ratio is 7:15.
Answer:
67
Step-by-step explanation:
d(n) = 4n + 2
= 4(5) + 2
=22
t(d(n)) = 3(22) + 1
= 67