Answer:
6x
Step-by-step explanation:
4x² - 8x + 8 - x² + 2x - 4 - 3x² + <u>6x</u> = 4
Answer:
They live so for away because the mom is in work.
Step-by-step explanation:

First, find the number of females in the class. 
Then, just write the ratio. 
Step-by-step explanation:
3x + 1 = 5x
Bringing like terms on one side
1 = 5x - 3x
1 = 2x
1/2 = x
Length of shorter piece is 13 ft
Length of longer piece is 61 - 13 => 48 ft