Kara bought a dvd for $22 and a cd for less than the cost of the dvd. let c represent the cost of the cd. write an inequality to show the cost of the cd.

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

Prove that 16^4-2^13-4^5 is divisible by 11.