William invested $800 in an account that paid 5% simple interest per year.
part a how much interest did william earn over 3 years?
part b william withdrew all of his money from the account after 3 years . if the bank charged him a 2% fee, how much money did william withdraw?

Acylinder has volume 45π and radius 3. what is it’s height?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%