Ms. Chu needs to buy hot dogs and buns for the school picnic. She needs at least one hot dog and bun for each of the 40 students. Hot dogs come in packs of 6 hot dogs and cost $3.00 per pack. Buns come in packages of 8 buns and cost $2.00 per package. Ms. Chu currently has collected $25 to pay for the hot dogs and buns. How many more dollars are needed so that each student can have a hot dog with a bun?

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?  

On her way to work, mrs. larsen gets a green light at a certain traffic light only 30% of the time. she wants to find the probability that she will get a green light at this traffic light all five mornings that she travels to work next week. use the following randomly generated list of 200 five-digit numbers to answer the questions and find the probability. select the digits you will use to represent a favorable outcome. how many favorable outcomes are on this list? what are they? given this simulation, what is the probability that mrs. larsen will get a green light at this traffic light all five mornings next week?