Acylinder has a height of 4 feet and a diameter of 6 feet. to the nearest tenth what is the volume of the cylinder?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²