Expression of - 21 increased by a number

Hunter had seven gallons of water in the refrigerator. Of those, two and one-fourth gallons were spring water and one and one-fifth gallons were filtered water. How many gallons of water were not spring or filtered?

An iPad for $480 and paid $31.20 in sales tax. What was the sales tax rate?

1. A square floor tile has an area of (x2 + 8x + 16) in2. The side length of the tile is of the form cx + d, where c and d are whole numbers. a. Find the expression for the side length of the tile. b.

On a map 180 miles are represented by 4 inches. how many miles are represented by 6 inches

You buy a computer for $1200. The value of the computer decreases by 30% each year. Find the value of the computer after 4 years.

Solve the quadratic equation by completing the square. 4x2 + 8x - 7 = 0

Prime factorization practice All factors 1. - 25 2. - 49 3. - 7 4. - 13 5. - 24 6. - 48 7. - 168

Anoki bought 360 millimeters of fabric. How many centimeters of fabric does Anoki have?

What is 32.697 rounded to the nearest one?

Word problem to represent 0.90