Fill in the blank with the correct response.

If x is a whole number and 437 = (21 + x) (21 - x), then x = ?

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Julio and Jake start their reading assignments the same day. Jake is reading a 152-page-book at a rate of 18 pages per day. Julio′s book is 210 pages long and his reading rate is 1 1/2 times Jake′s rate.

A rain gutter is made from sheets of aluminum that are 20 inches wide by turning up the edges to form right angles. Determine the depth of the gutter that will maximize its cross sectional area and allow the greatest amount of water to flow.

Jim ordered a sports drink and three slices of pizza for $8.50. His friend ordered two sports drinks and two slices of pizza for $8.00.

Roger will flip a coin 3 times. which 2 events are disjoint?

A line is drawn through (-4, 3) and (4, 3). Which describes whether or not the line represents a direct variation? The line represents a direct variation because =. The line represents a direct variation because it is horizontal.

What is 4 1/2 + 4 1/4

A man can see the top of a building at 65 degrees. He is standing 50 feet away with eye level of 5 feet. How tall is building

What property is demonstrated below? 17/3 times 3/17=1

A laptop computer is purchased for 2500. After each year, the resale value decreases by 25%. What will the resale value be after 4 years? Use the calculator provided and round your answer to the nearest dollar.

27.6 inches of rain fell over a 100 day period. What was the average amount of rain that fell per day?