The annual interest rate of jackie’s savings account is 6.4% and simple interest is calculated semiannual, what is the periodic interest of jackie’s savings account

Can (3,5 and square root 34) be sides on a right triangle?

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.