Percantage is rate per of what?

A first number plus twice a second number is 4. Twice the first number plus the second totals 20. Find the numbers

Assume straight-line appreciation ... An antique clock is expected to be worth $475 after 3 years and $870 after 6 years. What will the clock be worth after 9 years?

What is the value of this expression when b=5 6 (2b-4)

Draw a diagram to show the hidden question. then solve. One gallon of paint will cover 80 files. Tariq wants to paint the files on the back wall, the side wall, and the front wall. How many gallons of paint does Tariq need to buy?

The perimeter of a rectangle is 90 feet. The length is 27 feet. what is the width of the rectangle

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2.4 h, and Car B traveled the distance in 4 h. Car A traveled 22 mph faster than Car B.

Michael delivers y papers on wednesdays. he delivers two times that number on sundays and half that number on mondays. how many papers does michael deliver in one week?

Given short side a = 3, find the hypotenuse: c

The frequency table below shows the number of freshmen and sophomores in a Geometry class that passed or failed the final exam.

A wire is first bent into the shape of a triangle. Each side of the triangle is 12 cm long. Then the wire is unbent and reshaped into a square. What is the length of a side of the square?