A skating rink charges a group rate of $9 plus a fee to rent each pair of skates. A family rents 7 pairs of skates and pays a total of $30. What does "X" represent?

Which expression is equivalent to 5 (4f+3) - 2f

Let a and b be two positive numbers. If 2a + 3b=6 then the maximum product of these a and b is: A: 1 B: 1.5 C: 3 D: 4

A cashier has 26 bills consisting of three times as many ones as fives, one less ten than fives, and the rest twenties. If the value is $120, find how many of each she has

What is the equation of "four added to seven times a number x"

If prices Increase at a monthly rate of 1.4 %, by what percentage do they increase in a year?

How can you use an equivalent form of the percent proportion to solve a percent problem?

Which of these is the algebraic expression for the verbal expression "five times the difference of a number and six

Yesterday was pajama dress down day. Of the 30 scholars in Columbia, 24 wore pajamas. What percent is 24 out of 30?

Simplify: 1 3 (6ab - 9b) 2 3 (9ab 12b)

As a salesperson, Audrey earns $75 per week plus $5 per sale. This week, she wants her pay to be more than $125. Write an inequality for the number of Sales Audrey needs to make. (You do not have to solve here)