Mary has a small round mirror in her purse. If the mirror is 4 inches in diameter, what is the area of the mirrored surface?

How to solve - 7=-11+v/5?

There are 300 students in the band 35% of the students play the trumpet. How many students play the trumpet Use Proportion

Your school's drama club charges $4 per student for admission to Our Town. The club borrowed $400 from parents to pay for costumes, prop, and the set. After paying back the parents, the drama club has $100. How many students attended the play?

At the theater, one section of seats has rows with 12 seats in each row. In the center of each of the 3 rows are 4 broken seats that cant be used. How many seats can be used in each section?

Michael wanted to buy a jacket that cost $200. He has a coupon that gave him 20% off. A President's Day Sale also gives him an additional 10% off. What was the final sale price of the jacket?

The equation y=ax^2 describes a parabola. If the value of a is positive which way does the parabola open

The mean of a normal probability distribution is 500 and the standard deviation is 10. about 95.44 percent of the observations lie between what two values?

Find the slope of the line y = x + 1.

The harmony hotel has a total of 1569 rooms. There are 42 rooms on each floor. How many floors does the Harmony Hotel have?

You can upgrade lighting at your factory to LED bulbs that costs $6.95 each and last an average of 5 years. It costs $3.00 in labor to change a bulb.