How many real-number solutions does 4x^2+2x+5=0 have

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

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.