Cathy has a nickel, a dime, and a quarter in her purse. She randomly picks a coin, replaces it, and then picks another coin.

The probability that the two coins are of different denominations is

Weston completed a hypothesis test and found that he could not reject the null hypothesis. Which of the following is a valid reason for his conclusion? A. The z-statistic is less than 0. B. The z-statistic lies in the critical region. C.

A conveyor belt moves bottles at a constant speed of 120 centimeters per second. If the conveyor belt moves a bottle from a loading dock to an unloading dock, is the distance that the conveyor belt moves the bottle less than 90 meters?

World War Two and the Cold War convinced us politicians to do what?

To convert meters per minute to kilometers per hour, which of the conversion facorts would be used?

Jamar bought 2 books for $ 9.95 each, and 5 magazines for $3.25 each. what was the total cost for his purchases?

If f (x) = 3x + 5 and g (x) = - 2x2 - 5x + 3, find (f + g) (x). A. (f + g) (x) = - 2x + 8 B. (f + g) (x) = - 4x + 8 C. (f + g) (x) = - 2x2 - 2x + 8 D. (f + g) (x) = - 2x2 + 8x + 8

Four sisters buy a total of 3 1/2 feet of ribbon. The sisters want to share the ribbon equally. How many feet of ribbon will each sister receive

10q-13-5q=12 Simplify this equation.

A student is buying pens and markers for school. Packs of pens cost $2.75 each and packs of markers cost $3.25 each. If she bought a total of 6 packs and spent $17.50 how many of each did she buy?

What's the LCM OF 90 show your work