72kg - 54kg
180kg - xkg
cross multiply
72 · x = 180 · 54
72x = 9720 |divide both sides by 72
x = 135
Answer: 135kg.
Answer:
7. 4
8. 7
Step-by-step explanation:
7. 
Cross multiply


(division property of equality)


8. 
Cross multiply


(addition property of equality)

Divide both sides by 6


Answer:
non-linear
Step-by-step explanation:
Linear functions can only have powers of 1 for the x and y terms and the terms must not be multiplied.
The function y =2x^2-4 has a power of 2 on the x so it is not linear. It is parabolic.
The answer is a whole number, and it happens to be 1
Answer:
2
Step-by-step explanation:
My teacher went over this problem, it's 2.