Hugo is buying dvds that cost $15 each. he has a coupon for $5 off his total purchase. write an equation to find the c the total amount he will spend on any number of dvds d. then use the equation to find the amount he will spend if he buys 6 dvds.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org