The video store charges $4.80 per rental of a DVD. The store spends$5100 on expenses each month. How many videos does the store have to rent to make more money than it spends on expenses?

Write an inequality to show how many DVDs need to be rented to make a profit.

A new exercise facility recently opened up. Its initial promotional rate for new members, represented by y = $20 +$6x, includes a monthly fee plus an additional amount for x services.

How many services do new members receive before paying the same amount as a regular fee of $32?

Solve $2<-4 a$.

Find the product of $(x+2)\left(x^2+2 x+2\right)$ using the Distributive Property.

Two different cell phone service plans are represented by the given equations. Classify this system of equations.

$$\begin{aligned} & p=6 x+24 \\ & p=8 x+20 \end{aligned}$$

Charlene is shopping for used DVDs. She buys some DVDs from Bin A that cost $7 each and some from Bin B that cost$5 each. Charlene has $45.

Charlene decides to buy 3 DVDs from Bin A. How many can she choose from Bin B?

Gwynedd's piggy bank contains 57 quarters, 24 dimes, 35 nickels, and 60 pennies. Gwynedd turns her piggy bank over and one coin falls out. What is the probability that the coin will be worth more than 5 cents?

Explain how the previous two answers are related.

Charlene is shopping for used DVDs. She buys some DVDs from Bin A that cost $7 each and some from Bin B that cost$5 each. Charlene has $45.

Can Charlene buy 4 DVDs from Bin A and 4 from Bin B?

Gwynedd's piggy bank contains 57 quarters, 24 dimes, 35 nickels, and 60 pennies. Gwynedd turns her piggy bank over and one coin falls out. What is the probability that the coin will be worth more than 5 cents?

What is the probability that the coin is a quarter or worth more than 5 cents?

Charlene is shopping for used DVDs. She buys some DVDs from Bin A that cost $7 each and some from Bin B that cost$5 each. Charlene has $45.

Write an inequality representing the situation. (Hint: You must use two different variables to represent DVDs from each bin.)

Gwynedd's piggy bank contains 57 quarters, 24 dimes, 35 nickels, and 60 pennies. Gwynedd turns her piggy bank over and one coin falls out. What is the probability that the coin will be worth more than 5 cents?

What is the probability that the coin is a quarter or dime?

Jack is building a rectangular barn. Write an expression for the area of the region. Then find the area.

$$\overset{\normalsize (x-3)}{\begin{array}{|rrrr|} \hline&&&\\ \\ \\ \\ \hline \end{array}} \begin{array}{} (x + 3) \end{array}$$

The distance an object travels in a certain amount of time is directly proportional to its rate of travel. An object travels 105 meters at a rate of 3 meters per second. How far will an object travel if it travels at 5 meters per second for the same amount of time?

Why would you eliminate the factor pair $(5)\left(9 z^2\right)$ in determining the binomial factors of $x^2+18 x z+45 z^2$?