Which is the standard equation for a circle centered at the origin with radius r?

A. x2 + y2 = r

B. x2 = y2 + r2

C. x + y = r

D. x2 + y2 = r2

The ratio of the length of an airplane wing to its width is 7 to 1. find the length of wing is 26.7 meters, how wide must it be?

Find the volume of the figure. A brick patio measures 10ft by 12ft by 4in. Find the volume of the bricks. If the density of brick is 130 pounds per cubic foot, what is the weight of the patio in pounds?

Jane put 3000$ into a savings account that earns 6% interest. After six years, how much interest does Jane earn?

Solve this: (2m+1) ^2

What is 1233 times 12345

Put this on a number line 6-2s>20 and solve for s

You were packing a box gift and a large shipping box the dimensions of a shipping box are all 1.2 times dimensions of the box GIF the volume of the shipping box is 1296 in.³ what volume of the shipping box is not taken up by the gift box

Find the value of x when angle a is 90°, angle b is 40°, and angle c is x+57.

What is the surface area of this cylinder? A) 6.4 m2. B) 25.1 m2. C) 37.7 m2. D) 62.8 m2.

Anisa is cooling water in her fridge. The waters temperature starts at 85 degrees and she cools it 3.5 degrees every minute. Create a number sentence to model this scenario.