Simplify the expression by using a double-angle formula or a half-angle formula.

7cos^2 (theta/9) - 7sin^2 (theta/9)

sin (theta/6) cos (theta/6)

A projectile is fired at a speed of 800800 m/sec at an angle of 6060degrees°. how long will it take to get 2121 km downrange?

Cole if building a treehouse. One of the pieces of wood that he plans to use is 6 3/4 feet long. Convert this number to an improper fraction.

Which answer shows all the like terms in this list 4x, 1/2x, 2y, 4, x, 3x

Fiona wants to estimate the product (8.7) (3.0). Which expression shows each factor rounded to the nearest whole number? A. (9) (4) B. (9) (3) C. (8) (3) D. (8) (4)

using the rule : - x+7 ... what is the answer to (1, y) and (-1, y) on a graph? what does "y" equal for both of them?

A rectangular plot of land measures 120 feet by 96 feet. Which dimensions could not represent the plot on a scale drawing? Options: A - 8 inches by 6 inches B - 20 inches by 16 inches C - 15 inches by 12 inches D - 5 inches by 4 inches

The sum of three consecutive integers is 33. Find the numbers. A. 10, 11, 12 B. 12, 13, 14 C. 30, 31, 32 D. 90,91,92

A cement bridge post is 24 inches square and 15 feet 9 inches in length. If the cement weighs 145 pounds per cubic foot, how much does one bridge post weigh? A. 9,280 pounds B. 9,222 pounds C. 9,135 pounds D. 8,700 pounds

How long does it take to travel 300 miles at 15 miles per hour

How do I get 32% of 60