As a water quality assurance employee for local Aqua America, Inc branch record a drop in water levels from 28 feet to 7 feet at your reservoir. What is your percentage decrease?

Wayne Inc., a health insurance company, pays clerks an incentive based on the average amount of work completed per hour. Wayne pays $10 for processing 20 invoices per hour. An employee who processes 30 invoices would earn $15 per hour.

Carl brought an airline ticket 2 weeks ago the cost of his fight with $300 what is it increase

If a sample of 187 bowlers were taken from a population of 999 bowlers could refer to the mean how many bowlers scores

The curriculum committee at Larchmont High School wants to offer a new elective course next year. They decide to survey Larchmont's 1500 students to determine which course students would prefer.

Gemma's mum runs the merchandise shop. She buys 60 t-shirts from the wholesaler at £13 each. She sets the selling price of each t-shirt to make 30% profit on each. She sells 40 t-shirts at this price.

The transformation from the function f (x) = 3x to the function f (x) = 3x+4 indicates

Solve. Draw or write to explain. Bo has 6 toys. Mia has 7 toys. How many toys do they have

Choose the correct equation for the function of the graph shown below.

A new homeowner buys 120 square feet of carpet for a room in her new house. If the room is square, what is the length of each side of the room? (Recall that the area of a square is calculated by l^2 where l is the length of one side.)

the width of a rectangle is three less than four times the length. the perimeter of the rectangle is 29 centimeters. find the dimensions of the rectangle.