Answer:
4:1
Step-by-step explanation:
4 trucks for 1 van
These videos might help you
https://www.khanacademy.org/math/algebra/systems-of-linear-equations/systems-of-linear-equations-wor...
Answer:
D
Step-by-step explanation:
Using the rule of exponents
⇔ 
Given

= 
= (
)³
Answer:
least to greatest in order: -5/2(-2.5), -2.5, -2, -1.75, -1, 1.75, 9/4(2.25)