Do all quadrilaterals with perpendicular diagonals also have all four sides congruent? Explain your answer.

The roots of a quadratic equation are - 7 and 1. Write an equation that could represent this function. Give your answer in standard form and factored form.

A snowboard's original price is $95.00. It's on sale for 35% off. What is the sale price?

After working for 6 hours kevin earned 51.00. what is kevin's unti rate

Is this expression contain a variable? 7+15n

3.75 hours before 11:20

Consider the following data which describe the amount of time in minutes students spend studying for a quiz: 10, 11, 11, 12, 12, 14, 15, 18, 19, 20, 22, 24, 39, 40, 41, 44, 46, 50, 52, 52, 53, 55, 70.

Employee Earnings per month ($) 1 1200 2 2600 3 1800 4 1450 5 3500 6 2800 7 12500 8 3200 Which measure of spread is best for the data in the table? A.) range B.) quartiles C.) interquartile range D. mean absolute deviation

Identify the two whole between which the product lies 5*7/10

Hannah and Francine have $120. Hannah and Peter have $230. Peter has 6times as much money as Francine. How much money does Hannah have?

Mrs. Burdell 's storage container is 3 feet long, 2 feet wide, and 8 feet tall. Can she fit 44 boxes that each has a volume of 1 cubic foot in her container ? Explain your answer.