Mario bought some pants that were orginally $45 on sale for $18. what was the percent of the discount?

The trigonometric ratios sine and secant are reciprocals of each other

1: 4 if the wew 35 surfboards at the beach how many were short boards?

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.