Find an identity for cos (4t) in terms of cos (t).

I have used 2cos^2 (2t) - 1 but I need to rewrite that in terms of cos (2t).

A rectangle has an area of 432 square centimeters and a width of 18 centimeters. What is the length of the rectangle? 36 centimeters 48 centimeters 24 centimeters 18 centimeters

The center of a circle is at (7, - 3) and it has a radius of 9. What is the equation of the circle? (x - 7) 2 + (y + 3) 2 = 3 (x + 7) 2 + (y - 3) 2 = 3 (x + 7) 2 + (y - 3) 2 = 81 (x - 7) 2 + (y + 3) 2 = 81

The quotient of j and 8" can be expressed as: A. j/8 B. 8j C. j - 8 D. j + 8

Solve what percent of 67 is 33? r ound to the nearest tenth of a percent.

Paul is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is odd}, and let B = {the sum of the number cubes is divisible by 4}. List the outcomes in A ∪ B.

Write an algebraic expression to represent the overall phrase. Explain why you have to use some sort of grouping symbol.

Frank has a job at the bottles return depot. He earns $8 an hour plus 15 cents for every box of 1000 recycled containers he counts. On Wednesday, frank worked for 7 h and earned $108.

What is the best reason for implementing a dress code at work? A. to make sure that no one in the office is too comfortable B. to make sure that all of the employees dress the same c. to give clients the correct representation of the business D.

38 cups equals how many pints

Does 490/10 equel to 4.9