8 pairs of jeans and 10 shirts cost $80. The cost for 9 pairs of jeans and 5 shirts is $65. Find the cost of each pair of jeans and shirts.

One integer is 8 times another. if the product is 72, then find the integers

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Anew movie is released each year for 14 years to go along with a popular book series. each movie is 2 minutes longer than the last to go along with a plot twist. the first movie is 70 minutes long. use an arithmetic series formula to determine the total length of all 14 movies