How many proper subsets does the set { 1,2,3} have

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

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?