What is the value of cos-1 (-1/2)

The formula P = 4S gives the perimeter P of a square with side length S. How much greater is the perimeter of a square with a side length of 5 1/2 inches then a square with a length of 5 inches.

the population of a town is 9,000, and it grows at a rate of 7% per year. What will the population be in 6 years?

Which is greater, the area of a red plate that has a radius of 6 cm, or the area of two yellow plates with a radius of 3 cm each?

Lin is a camp counselor. She is making small bags of trail mix for campers to take on a hike. She has 2 pounds of raisins and is putting 1/8 pound in each bag. How many bags can she fill before she runs out of raisins?

Complete to sovle 196+36 196+36 = 196 + (? + 32) = (196+?) + 32 = ? + 32 = ?

What do I get when I factorise 4x+8

What is the simplified form of 3a^4b^-2c^3? a. (81a^4c^3) / (b^2) b. (81a^4) / (b^2c^3) c. (3a^4) / (b^2c^3) d. (3a^4c^3) / (b^2) D What is - a^-2 if a = - 5? a. - 25 b. 25 c. - 1/25 d. 1/25 D What is (-m) ^-3n if m = 2 and n = - 24? a. 3 b. - 3 c.

ABCD is a parallelogram. if side AB=6x-10, side BC=4x-5, and side CD = 3x+5, find the value of x x=

The perimeter of a rectangle is 15x + 17 y if the length is 7/2x + 7y then find the width of the rectangle A) 4x + 3/2y B) 8x + 3y C) 8x + 10y D) 4x + 3y

People who do not take the time to show interest in others are: A. self-involved. B. morose. C. strong-willed. D. morbid.