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

Asphere has a diameter of 10 in. what is the volume of the sphere?

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.