Explain how to isolate the variable in each equation 81=m/9

What is the y-intercept for the equation 4x-3y=-18?

A teacher wants to buy supplies for two of their students, Susie and John. This teacher wants to spend at least $5 on each student. This teacher also must keep the total of the supplies under $30.

Consider a specific chemical reaction represented by the equation aa + bb → cc + dd. in this equation the letters a, b, c, and d represent chemicals, and the letters a, b, c, and d represent coefficients in the balanced equation.

Q1. The cost of $16.50 for the music was reduction of 12% on the original cost. calculate the original cost of the music. Answer: $ ... Q2.

If average of m numbers is n^2 and average of n numbers is m^2 then average of m+n numbers is

During his first training session, Milo walked for 30 min and ran for 20 min. How many minutes did Milo train the first day? Write an addition equation that represents Milo's training session.

Albert is a server at an all-you-can-eat sushi restaurant. At one table, the customers ordered 4 child buffets and 1 adult buffet, which cost a total of $86.

Mai earns $7 per hour mowing her neighbors lawns. she also earns $14 for hauling away bags of recyclables for some neigbors. Priya babysits her neigbors children. The table shows the amount of monet m she earnd in h hours.

A restaurant had 163 diners on Friday night. By Monday evening, 24 of those diners had reported to ER. Stool cultures for salmonella were positive in all 24 diners.

Complete these ordered pairs for this equation. (0,), (-1,), (2,) y=4