Answer:
-4x^3 + 7y^3 + 5
Step-by-step explanation:
7y^3 - 7x^3 + 4 - 5 + 6 - 3x^3 + 6x^3 Given
7y^3 - 7x^3 - 3x^3 + 6x^3 + 4 - 5 + 6 Rearrange
7y^3 - 4x^3 + 5 Combine the like terms
or
-4x^3 + 7y^3 + 5 Answer
Answer-
x=0;y=3
x=1;y=-1
x=2;y=-5
x=3;y=-9
14 pushups per min
70 pushups in 5 min
Answer:785.4
Answer:wdym?