A sales clerk sold three times as many T-shirts as hats last week.  The number belts she sold was 15 more than 1/4 the number of hats she sold. If she sold 288 hats, how many fewer belts men T-shirts did the clerk sell?

Which of the following contains a variable?

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0