Arthur is treating his friends to a meal at chez rich. the meals added up to $152.30. if he tips the waiter 15%, what is the amount of the tip. a. $20.80 b. $15.24 c. $22.85 d. $13.37

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?