A circular garden with a diameter of 20 meters is surrounded by a walkway of width 1 meter. What is the area of the walkway?

A rectangle and a square have the same area. The square has a perimeter of 32 meters and the length of the rectangle is 4 meters. What is the width of the rectangle (in meters)?

If logₓ ^1/216 = -3, then x =?

If 45% of (A - B) is equal to 3/10 of (A+ B), then what percent of A is B?

Find an equation for the line with x-intercept = 2, y-intercept = -1.

Choose the equation of a circle with radius 6 and center (3, -5).

The side of a square is increased by 10%, by what percent will the area be increased?

In a class, the number of boys is 35% more than that of the girls. The total number of students in the class is 94. If 6 more boys are admitted to the class, the ratio of the number of boys to that of the girls is-

What values of x satisfy the inequality 2 - 3x > 1?

A man can row 12 kmph in still water. It takes him three times as long to row up as to row down the river. Find the rate of the stream: