Choose all of the equations that represent a parabola with the focus (0,4) and the vertex (0, -6). A. x2 = 20 (y + 1)
B. x2 = 40 (y + 6)
O c. 20y = x2 - 20
D. 40y = (x + 6)2
E. 40y = x2 - 240

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?