When the diameter of a circle is tripled, the area of the circle will be increased by how many times?

A woman says, "if you revise my own age, the figure represents my husband's age. He is, of course, senior to m...

In the coordinate plane, line m passes through the origin and has a slope of 3. If points (6, y) and (x, 12) a...

A delivery cart went from Candle ford to Lark Rise and back at an average speed of 2/3 miles per hour. If the...

The average of several exam scores is 80. One make-up exam was given. Included with the other scores, the new...

If one of the roots of the quadratic equation is 1.5, then what is the value of m?

A solid cube of side 6 is first painted pink and then cut into smaller cubes of side 2. How many of the smalle...