A vendor at a craft show sold items for $4.50 , $6.00 and $7.50 altogether , the vendor sold 87 items for a total $489 , the vendor sold 5 more items for $6.00 than for $7.50. Which system of equations could you use to determine how many of each item were sold

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?