Tom bought n dvds for a total cost of 15n - 2 dollars. which expression represents the cost of each dvd?

a. n( 15·n - 2)
b. n + (15·n - 2)
c. (15·n - 2)/n
d. (15·n - 2) - n

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤