Write the expression as the sine, cosine, or tangent of an angle.

sin 9x cos x - cos 9x sin x

Solid A is similar to solid B. Solid B has a volume of 23000 cubic meters. By what scale factor can you multiply every side of solid A to get solid B if the volume of solid a is 23 cubic meters

What is the trigonometric ratio for sin S triangle Q R S with right angle R. Q S equals 68. R S equals 60.

If 3x+2y=14 and 2x+y=7, then x+y=

What fraction is equivalent to 84/100?

A company's total cost from manufacturing and selling x units of their product is given by: y = 2x2 - 600x + 49,000. How many units should be manufactured in order to minimize cost, and what is the minimum cost? a. (100, $9,000) b. (125, $3,250) c.

1 Hector puts a fence around his rectangular garden that is 14 feet long and 10 feet wide. How much fence does Hector use? Hector uses feet.

On your geometry test you have two triangles: ΔABC and ΔMNO. You are told that ∠A ≅ ∠ M and that ∠B ≅ ∠ N. Which statement is also true? A) ∠C ≅ ∠O B) ∠A is a right angle C) ΔABC ≅ ΔMNO D) ΔMNO is a right triangle.

Sara spends 30 minutes doing homework and Dan spends 1 1/4 of an hour doing homework how many more minutes did dan do his homework then sara

What is the result when the number 15 is decreased by 6%? Round your answer to the nearest tenth.

What is the slope for 12 34