Answer:
V=πr^2h
pi = 3.14
r = 2
r^2 = 4
h = 10
Multiply all the numbers to get the volume.
Or use the formula.
V = 3.14*4*10
V = 125.6 cubic inches
The type of limacon graphed is a convex.
Answer:

Try to solve the similtanious equation to find the first term and the common difference, then use that information to figure out the 80th term... Update me if you need further help ...
Answer:
Step-by-step explanation:
x is the score she got on the fifth test.
Since her average score is 88, the sum of all five tests is 5×88.
x + 87 + 75 + 93 + 85 = 5×88 = 440
x = 440 - 87 - 75 - 93 - 85
x = 100
She got a 100 on her fifth test.