Edoardo things of a number between one and 20 that has exactly 5 factors what number is he thinking of

3x + 4y = 5 x- 3y = -7 solve by substitution

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?

The quotient of 15 and a number is 1 over 3 written as an equation