Eliminate the parameter, t, in the parametric equations, x = 2cost and y = 4sint.

x2 + y2 = 4

x2 + y2 = 16

4x2 + y2 = 16

x2 + 2y2 = 16

Which statements are true? Check all that apply. The function that best represents the data is f (x) = 24,512 (0.755) x. The function that best represents the data is f (x) = 554x2 - 5,439x + 24,600. The function decreases indefinitely.

5. Find the area of a regular octagon with a radius of 12 ft. Round your answer to the nearest tenth, if necessary

The volume of a cylinder is

A math book is 1 and 1/2 inches thick. How many math books will fit on a shelf that is 2 feet long?

The volume of a cone is 225 cubic inches. The diameter is 15 inches. What is the height of the cone? A) 1 inch B) 3 inches C) 4 inches D) 12 inches

5. Twice the sum of a number plus 4 6. The sum of 314 of a number and 7 7. Three more than number So The avotient of a number and 8

What is the solution to the system of equations? y = - 5x + 3 y = 1 a (0.4, 1) b (0.8, 1) c (1, 0.4) d (1, 0.8)

Peggy wants to run 5 miles in less than 60 minutes. What inequality shows what her rate should be? A. 1mi<60 min B. 3 mi<60 min C. 1 mi<12 min D. 2mi<30

This equation shows how the total number of appetizer recipes Emily knows depends on the number of weeks she attends culinary school.

What is 897.4 rounded to the nearest whole