84% of students said that they take between 45 minutes and 60 minutes to complete their homework each night. If 42 students said that they take between 45 minutes and 60 minutes to complete their homework each night, how many total students were surveyed?
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3. solve the given inequality and graph the solution on a number line.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.