two spiders are climbing up the wall. the first spider is at a height of 8 feet from the ground and climbs at a speed of 6 feet per minute. the second spider is at a height of 20 feet from the ground and climbs 3 feet every minute. after what time in minutes, will the spiders be at the same height on the wall

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im not sure

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb

1 mph

step-by-step explanation:

if the question is asking how much does she drive per mile then,

13 / 13 = 1 mph