One week a computer store sold a total of 36 computers and external hard drives. The revenue from these sales was 25600 ​$. If computers sold for​ $1180 per unit and hard drives for​ $125 per​ unit, how many of each did the store​ sell?

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !