Answer:
1x
Step-by-step explanation:
Answer:
.65625 gallons a week
Step-by-step explanation:
1.5 x 7=10.5
10.5/16= .65625
55mph.
you can solve it using the equation distance=speed x time
your total distance is 714, and you have 2 trains, one traveling some speed, x, and one traveling x+8, both traveling for 7 hours.
your equation would look like this

and you can then solve for x, which would be 47. this is the speed of the slower train, but 47+8=55 with give you the speed of the faster train.
Answer:
length, width, height, volume
Step-by-step explanation:
M^2 - 2mn + n^2
(-2)^2 -2(-2)(4) + 4^2
4 + 16 + 16
36