Christa is saving for a new tablet. It costs $80. She has already saved $25. How much more does she need to save? One step equation the variable is X

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

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?