Find the standard form of the equation of the parabola with a focus at (7, 0) and a directrix at x = -7. a. y = 1/28 x^2
b. x = 1/28y^2
c. -28y = x^2
d. y^2 = 14x

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

3382-299=3383- ? fill in the blank?