Because then you can replace the variables with the actual value and see of the equation is true.
Answer: (a-b)-(2x+y)
Step-by-step explanation: The answer for number 18. (The first pair of parentheses are optional.)
Answer:
stupid
Step-by-step explanation:
rat
Answer:
y = 2 x^2 + 5
Step-by-step explanation:
y = 2x^2 + 5
y = 2(-2)^2 + 5
y= 2(4) + 5
y = 8 + 5
y = 13
you can try for yourself using the other values
The first answer would be A because the volume is l*w*h so you would multiply 24 by 10 by 12 which gives you 2880 ft^3
I don't know how to do the second question. I am sorry!