Write the first five terms of the sequence defined by the explicit formula an=21-2n^2

A. 21, 19, 13, 3, - 11

B. 20, 17, 12, 5, - 4

C. 23, 29, 39, 53, 71

D. 19, 13, 3, - 11, - 29

19. Which of the following is false? the cost to mail an envelope and the weight of the envelope is a positive correlation none, since all of the above are true the graduation rate in a city and the rate of unemployment in a city is a positive

What is the domain and range of h (t) = cot t

The Law of Cosines lets you find missing measures in a triangle when you know the measures of two sides and the included angle, or three sides. True or false?

Prove the following trigonometric identities (secx+tanx) (1-sinx/cosx) = 1

What is the solution of 5x-6=44

What's the relationship between 0.04 and 0.004?

The length of a rectangular garden is 7 meters longer than its width. if its perimeter is (12 x + 14) meters, find its length in terms of x.

Job A pays $10.95 per hour, 40 hours per week. Job B pays $18,500 per y. Which job pays better? A) Job A B) They pay the same. C) Job B

4x-6+2y=10 Write the equation in slope intercept form.

Solve for y: 10y-50=-20