<span>2x^2 +3x -4 + 8 - 3x -5x^2 +2
answer is
</span>-3x^2 +6
hope that helps
About 400 marbles. You simply set up a proportion and solve it as I did in the photo attached.
A lever is a simple machine that helps move or pry a rock from the ground.
D=z, j=4d,
If w=j, then w=4d,
If w=4d and d=z then:
w=4z
Answer:
A
Step-by-step explanation:
3/24=9/72 3*3=9 24*3=72 x=3
3/9=y/12 9/3=3 12/3=4 y=4
X=3 y=4