A circle has a diameter of 20 inches, find the exact area, and find an approximate area using pie _=3.14

Katy bought 5 packages of stickers with 25 stickers in each packages. she also bought 3 boxes of markers with 12 markers in each box. if she receives 8 stickers from a friend how many stickers and markers does katy have now?

A train travels 524 miles in 4, 1/2 hours. Which expression gives the train's speed in miles per hour?

How do you convert sin into cos, and vice versa ... Promblem: cos (6x) = sin (3x-9)

Which of the following would be a good name for the function that takes the length of a race and returns the time needed to complete it? A. Time (race) B. Length (time) C. Time (length) D. Cost (time)

Which of the following values of x is in the solution set of 2|x + 4| > 14? A. x = 0 B. x = 1 C. x = - 3 D. x = - 12

Technician A says that one reason to use several small valves instead of two larger valves is to increase the size of the open port when the valves are open.

Write the expression in standard form. three divided by quantity three minus twelve i.

How many hours is in a day on Venus if a day lasts: 5.81 x 10^3 hours

Trisha has 2 boxes of marbles. She selects a marble from each box 100 times, replacing the marble back into its box each time. From the first box, she selects: • A white marble 29 times • A red marble 25 times • A blue marble 46 times.

Is 4.309 less than 4.39?