Determine algebraically whether f (x) = 3 is even or odd.

The length of a rectangle is six times its width. if the area of the rectangle is 216 ft2, find its perimeter.

There are 12 levels in Liangs new video game. If he plays the same number of levels each day, what are all the possibilities for the number of days he could spend playing the game without repeating a level?

If (x, y) is a solution to the system of equations, what is the value of y? x + 1/8y = 20 x + 1/4y = 4

Leon measured the distance each of his four toy cars rolled across the floor. Which car measurement that has a 4 in the thousandths place represents the shortest distance rolled?

Find the mode of the data set 7,12,15,4,23,15,25,9

What is the mean of the data set below? 12, 15, 10, 11 |

Find the vertex of the parabola. y = 3 x squared minus 30 x + 77 a. (-2, - 5) c. (5, 2) b. (-5, - 2) d. (2, 5)

Which choice describes what work-study is?

Simplify the expression. - 3m + 2n + 9m

The sum of Emil's and Rosa's ages is 27 years. Nine years ago Emil was twice as old as Rosa was then. How old is each person? What are the two equations?