16. GEOLOGY A tiankeng is a sinkhole with nearly vertical walls. The Tianpingmiao tiankeng is approximately cylindrical with
a diameter of 180 meters and a depth of 420 meters.
a. If the top of the tiankeng is open and plants can grow on
the bottom and sides, what is the surface area available
for plants? Round to the nearest square meter.
b. What is the volume of water that could fill the Tianpingmiao
tiankeng?

b

step-by-step explanation:

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)

it should be a and d. lmk if i'm wrong xd

$650 per month plus utilities

step-by-step explanation:

just based on the info you gave, it would seem more cost effective to rent at $650 per month plus utilities.   if utilities are, in fact, $150 per month, your monthly living costs would be $800 as opposed to the other option of $825.