The expression 15r + 15w gives the total time Mario spends exercising. The variables r and w give the number of minutes spent per day running and walking, respectively. Which expression could also be used to find the total time Mario spends exercising ?

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1