A copy machine makes 231 copies in 5 minutes and 15 seconds. How many copies does it make per minute?

Mike has g green marbles and y yellow marbles. Tina keeps losing her marbles. She has half as many yellow and 3 less green marbles than Mike. Write an expression for Tina's marbles.

Item 3 Question 1 A teacher spends $354 on costumes and microphones for six cast members in a play. Each cast member receives a costume that costs $38 and a microphone that costs c. What did the teacher spend on each microphone?

Three numbers that would make this inequality true 3x > 15

Which expression is equivalent to (7x-5) - (3x-2)

The value of y varies directly as x and y is 9 when x is - 3 what constant of variation k?

Let x be a standard normal random variable. find p (-1.20 < x < 1.74). express your answer as a decimal.

To estimate the annual salary for a given hourly pay rate, multiply by 2 and insert "000" at the end. Sample: $10 per hour is about $20,000 per year. Explain why this works. Assume the person is working 40 hours a week:

Sal and Jen went to the store together, and each bought the same car stereo. Sal used a card to make the purchase, and the full amount was immediately withdrawn from his bank account.

If a circle has a radius of 1 and a sector defined by a 37 degree arc, what is the area, in cm2, of the sector? Round your answer to the nearest tenth

If the measure of a central angle is 28°, then to find the measure of its arc, you would need to do which of the following? A. Nothing, they are equal. B. Multiply the angle measure by 2. C. Divide the angle measure by 2.