Answer:

Step-by-step explanation:
Surface area of top and bottom of cylinder is equal to 2 circles. Take the circumference of one of the circles and multiply by the height. Add those values together to get SA.
Answer:
(a) You will get ten
Step-by-step explanation:
single cell = 3 min
30 min = ?
30 divided by 10 = 3
Have a good day!
Answer:
On Monday
Step-by-step explanation:
40÷10=4
21÷7=3
So per hr 4 is bigger, so on Monday
So you are lowering 12 feet down, then 11 feet down , then 8 feet down.
so the total amount lowered is 12 + 11 + 8 , which is a total elevation change of 31 feet