Arthur's dinner bill totaled $15.72, before sales tax and tip. Sales tax at the restaurant is 5.8%. After sales tax, he left a 15% tip. What was Arthur's total bill, including sales tax and tip?

Convert the cartesian equation (x 2 + y 2)2 = 4(x 2 - y 2) to a polar equation. choices: r4 = -4r2 r2 = 4cos2θ r2 = 4sin2θ

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

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