Check all that apply. which of the following equation is answer for the equation: sec 2x=. a. 1/cos^2x - sin^2x. b. 1/sin^2x - cos^2x. c. 1/2sin^2x - 1. d. 1/1-2sin^2x

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?