The cone shown has the same dimensions as the
previous cylinder, what is
the volume of the figure?
r=3

Ten times the square of a non-zero number is eqaul to ninety times the number

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Prove that 16^4-2^13-4^5 is divisible by 11.