Easy? Please help me Sarah earns $

8.50

8.50 per hour babysitting. She needs to make at least $

187

187 to buy a new bike.

Write an inequality to represent the number of hours Sarah needs to work to afford the bike.

187

h

≥

8.50

187h≥8.50

187

h

≤

8.50

187h≤8.50

8.50

h

≥

187

8.50h≥187

8.50

h

≤

187

8.50h≤187

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15