im gonna say d not sure, 10% is 5 dollars off tho
Answer:
(x+1) meters
Step-by-step explanation:
Area is length times width so x^2-x-2 = L * (x-2)
factor and divide x-2 to get x+1
Answer:
A. 15, 20, and 25
Step-by-step explanation:
Note that 3-4-5 is a pythagorean triple via following:

Dividing 15, 20, and 25 by 5 nets you the pythagorean triple 3-4-5.
Answer:
178
Step-by-step explanation:
Use Pythagorean Theorem to find the Hypotenuse
30^2+72^2=78^2
Use perimeter formula
a+b+c
38+72+30