a liter of water contains 3.35x10^25 molecules. A certain river discharges about 2.8x10^9 L of water every second. About how many molecules does the river discharge every minute? Write your answer in scientific notation.

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.