The graph shows the linear relationship between the balance in a student's school lunch account and the number of school lunches purchased. Which of these best represents the rate of change of the account balance with respect to the number of lunches purchased? $0.50 per lunch purchased $0.85 per lunch purchased $1.18 per lunch purchased $2.14 per lunch purchased

The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first month, and each month afterward their cumulative donation total increases by 100$ the hbm corporation donated $64, in the first month, and each month afterward their cumulative donation total increases by 75%. in which month will the hbm corporation's cumulative donation total first exceed the gades foundations' cumulative donation total?

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?