9 is D
10 is either a or b
The answer is 24 square units
Volume of a cylinder is


h. This is basically the area of a circle multiplied by the height. You can think of it as congruent circles being stacked on top of each other to create a cylinder. With the given information, all we have to do is substitute the values into the variables
V =


h.
V =


x30
V =

x 169 x 30 =

5070
Hope this helps!
(btw if it asks for "exact" anything, leave the pi. Pi is the ratio of the circumference to its diameter, so not every circle will have a pi of 3.14.)
Yes he is correct, 100% would be 10 hours again, so 110% would add the extra hour to make it 11 hours
Answer:
5
Step-by-step explanation:
Hi,
f(12)= 12/2 -1 = 6 -1 = 5
Thanks