Answer:
Pythagorean Theorem : a²+b²=c²
a²+38²=42² => a²=1764+1444 => a²=3,208 inch => a=√3,208
=> a=56.64 inch
Step-by-step explanation:
Answer:
x>4
Step-by-step explanation:
2x+8<5x-4
4+8<5x-2x
12<3x
4<x
x>4
Answer:
$74,250
Step-by-step explanation:
495,000x0.6=297,000
297,000/4=74,250
I figured out the first question, the second one in lost on.

Factor both of the equations, numerator and denominator

Cancel the like factors *excuse the zero im just showing you*

Combine frunctions

x-9=0
x+7=0
Restrictions are 9 and -7