John buys a new pair of sneakers the sneakers normally cost $119.99 but John has a promo code for 35% off and free shipping. How much does John pay for the sneakers including the 6.5% sales tax

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Can someone tell me if this is perpendicular? !