Which expression has a solution of 12, if m = 7

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)