Delia is a graphic designer who charges an hourly rate. She made the graph to show her total earnings for various numbers of hours worked. Approximately how many hours would it take Delia to earn $300?

The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

Match each inequality to the number line that represents its solution

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