If y = 9x − 7, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs? A) {(0, −7), (1, 2), (−1, −16)} B) {(−7, 0), (2, 1), (−16, −1)} C) {(1, 9), (2, 7), (3, 16)} D) {(7, 9), (8, 10), (9, 11)}

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor