Find two different sets of parametric equations for the given rectangular equation (there are many correct solutions) 13) y= x^2+10 14) x+y^2=4 15) x^2 + 4y^2 - 16 = 0

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

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