Write the equation for a parabola with the vertex
at (-1, 3) and the equation of the directrix y = 1.
(x - 1)2 = (y + 3)
(x + 1)2 = 8(y - 3)
(x - 1)2 = 8(y + 3)
(y - 3)2 = 2(x + 1)

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1