Start at -4 and go over to the right 6. - is left and +is right. the answer is 2.
Use a calculator is gives you the answers
X + 5y + 2 - 7x + 5y + 2y - 7x
First collect like terms (the numbers that have the same letters after them):
x - 7x - 7x = -13x
5y + 5y + 2y = 12y
Then put these back into the expression:
2 - 13x + 12y
Answer:
A
Step-by-step explanation
To calculate the volume, 0.5 x bxaxh If you apply that, then you get 972
28800
4 meters=1 second
240 meters=60 seconds
240 meters per minute
x60
14400(per hour) x2=28800 in 2 hours