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?

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

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?

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?

Happy Paws charges $19.00 plus$1.50 per hour to keep a dog during the day. Woof Watchers charges $15.00 plus$2.75 per hour. Write and solve an equation to find for how many hours the total cost of the services is equal. _

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?

The period of a pendulum is equal to $2 \pi \sqrt{\frac{l}{g}}$, where l is the length of the pendulum and g is the acceleration due to gravity. If the length of the pendulum is 40 m and the acceleration due to gravity is $10 \mathrm{~m} / \mathrm{s}^2$, what is the period of the pendulum?

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?

The larger square has an area of $216 x^2$ and the smaller square has an area of $125 x^2$. What is the combined perimeter of the two squares?

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

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

To build Ariane's house will take a constant number of individual work days. If a construction crew of 15 people can build the house in 20 days, how many people does it take to finish the house in 5 days?

Use the values from the table to draw a scatter plot.

Verify that $3 g h \sqrt{275 g^7 h^9}$ can be simplified to $15 g^4 h^5 \sqrt{11 g h}$.