In the function Y=1/2x^2, please select all of the points that fall on the graph. A) (0,1)... B) (1,1)... C) (2,2)... D) (-1,1/2) C) (-2 , 1)

Evaluate cos2θ for cosθ = square root of 3/2

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.