Surface area of a cylinder with a height of 10 and a radius of 15 using 3.14 as pi

Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?

For the feasibility region shown below find the maximum value of the function p=3x+2y

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?