How much is 7.5% sales tax on $80.00?
what's the answer and how did you get the answer? !

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2