Use a double angle formula to find the exact value of cos2u when cos u

Find the larger of two consecutive integers if the larger is 149 less than twice the smaller.

Given a = - 3, b = 5, and c = - 8, then a 2 b+c is A.-38 B.-53 C. 37 D. 22

How to find a value of ex2

How can you find two ratios that describe the same relationship

Which is the Best Buy? A. $12.40 for 6 boxes of tissues B. $10.58 for 5 boxes of tissues C. $14.11 for 9 boxes of tissues D. $15.47 for 8 boxes of tissues

the initial cost to drill a well is $21000. The daily rate to operate the well is $500. the current selling price is $65 per barrel of oil and the well is expected to produce 115 barrels per day. What would be the revenue for one day?

Elisa needs 40 shirts for a charity. One store is selling shirts for $6.95 each. Another store says that the total for al 40 shirts will be $325 with a 20% discount. Which store should Elisa buy shirts from? Shirts for $6.

Which of the following is NOT a perfect square trinomial? x^2+10x+25 x^2+16x+64 x^2+7x+49 4x^2+16x+16

The volume of a cube is 27n^27 cubic units. What is the length of one side of the cube? 3n^3 units 3n^9 units 27n^3g units 27n^9 units

If the function rule is 5x, what is the value when x = 3? 5 10 15 20