What are the next two numbers in the pattern of numbers; 45, 15, 44, 17, 40, 20, 31, 25, ...

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?