Answer:
true
Step-by-step explanation:
5x + 4x = 9x
3y + 7y = 10y
8 + 34 = 42
False
5x+3y=8
4x+7y=34
Then:
5x+4x+3y+7y=9x+10y
9x+10y=43 not 9x-10y
No
15+6=21
15-(-6) = 21
Answer:1.41666666667 or to simplify, 1.416 but the 6 is repeating so draw a bar over the 6.
15-(-80)=95
he jumped 95 ft.
