Find the mean (average) of each set of numbers. Round your answer to the nearest tenth 19 5 9 12 10 5

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

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.

What is 617.3 miles and each gallon of gas the car can travel 41 miles select a reasonable estimate of the number of gallons of gas karl used.