In a geometric sequence, a2=2, a3=20, and a4=200. Which equation can be used to find the nth term of the sequence, an? an=2n−1 an=2⋅18n−1 an=15⋅10n−1 an=10⋅2n−1

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.

x = -5

step-by-step explanation:

i will with my problems and all the other things that need to   be on by the way

step-by-step explanation:

i believe a. 12x≥120 is the answer