Which of the following numbers can be expressed as decimals that terminate? 5 over 2, 4 over 5, 2 over 7, 4 over 3 a. 5 over 2 and 2 over 7 b. 4 over 5 and 4 over 3 c. 5 over 2 and 4 over 5 d. 2 over 7 and 4 over 3

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

The volume of a rectangular prism is found by multiplying the length, width, and height of the prism. a rectangular prism has a width of 5x^2units, a length of 7x^3 units and a height of 2x^4 units. which is the volume of the prism in terms of x?

20 sharpened pencils are placed in a box containing an unknown number of unsharpened pencils suppose 15 pencils are removed at random and five of the remove pencils are sharpened based on this is it reasonable to assume that the number of unsharpened pencil is 40 explain your reasoning