A group of 9 people spent $78 to go to the movies. Adult tickets cost $10 each and student tickets cost $8 each. How many adult tickets were purchased?

The poster is 25cm wide. how high is the poster

In a shipment of CD's to a music store, 5/8 of the CD's are pop and 1/4 of the CD's are country music. If there are 72 CD's in the shipment, how many CD's are either pop or country music?

What to numbers multiply to - 100 but add up to - 21?

The collection of all possible outcomes of a random phenomenon is called A. the sample space. B. the distribution. C. the probability. D. a census. E. None of the above.

If you had to take four 30 minute breaks during your trip to fill up on gas how long would it take you to get there in total

Simplify each sum or difference (5r^3+8) + (6r^3+3)

3*-18=42 Solve for x!

Express 432 as a product of prime factors

What is the difference between 7986 and 20500

Is a radius also a chord