Answer:
6 inches
Step-by-step explanation:
Formula for surface area of a cylinder:
Plug in values and solve for the radius:
Divide both sides by 
Subtract 90 from both sides
Use the quadratic equation to find the roots
±
(sorry for formatting, Brainly doesn't
allow equations with ± in them)
and 
and 
and 
and 
and 
and 
We can't have a negative radius, so that leaves us with r=6 in.
I think its b but i am not surely sure so you might want to check with someone else
Answer:
x=3, y=4
Step-by-step explanation:
hope this helps!
pls mark brainliest
Answer:
An ordinary annuity is a series of equal payments made at the end of consecutive periods over a fixed length of time. The opposite of an ordinary annuity is an annuity due, in which payments are made at the beginning of each period.
Step-by-step explanation:
Answer:
$6.30
Step-by-step explanation:
Your parents took your family out to dinner. the parents wanted to give the waiter a 15% tip. if the total amount of the dinner was $42,00 what should be paid to the waiter as a tip?
