Jay traveled from miami to jacksonville, a distance of 320 miles. he left miami at 8: 00am, stopped for lunch for 30 minutes, and stopped for two 15 minute breaks at rest areas. he arrived in jacksonville at 2: 15pm. what was his average rate of speed during his travel time? explain the steps to get the answer.

Find the difference (8ab+a+2) - (3ab+6)

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

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.