For the following arithmetic sequence, if a_1=21 and d = - 3 what is a_1000?

Find the derivative of y = sin2 (4x) cos (3x) with respect to x. A. 8 sin (4x) cos (4x) cos (3x) - 3 sin2 (4x) sin (3x) B. 8 sin (4x) cos (3x) - 3 sin2 (4x) sin (3x) C. 8 sin (4x) cos (4x) cos (3x) - 3 sin2 (4x) sin (3x) cos (3x) D.

Divide. Use estimation or multiplication to check. 89:6

Joe is at the ice cream shop, and his house is 10 blocks north of the shop. The park is 10 blocks south of the ice cream shop.

Charlton is 1 5/6 miles from Wilton, 1 2/3 miles from hoover city, and 2 1/5 miles from Yorktown. What is the order of these distances in order from least to greatest?

Solve the quadratic equation by completing the square. x2 + 6x - 5 = 0 A) x = 3 ± 14 B) x = 1 ± 11 C) x = - 3 ± 14 Eliminate D) x = - 1 ± 11

30.60 to the nearest cent

Which is the value of x that makes the given equation true? Show all the steps to prove your answer is correct. x - 3x = 2 (4 + x) a - x=-2 b - x=0 c - x=2

in recent year, the world production of wheat was about 5.2 * 10^8 metric tons. Canada produced 1/25 of this wheat. about how much wheat did Canada produce?

Combine like terms to simplify the expression. 2x+4y-7x+10y+8

How many triangles exist with the given side lengths? 4 meters, 4 meters, 7 meters. A. More than one unique triangle exists with the given side lengths. B. Exactly one unique triangle exists with the given side lengths. C.