Select the correct answer. Which expression is equivalent to cos (1.4x) - cos (0.6x) ? A. - 2sin x sin (0.4x) B. 2sin x sin (0.4x) C. - 2cos x cos (0.4x) D. 2cos x cos (0.4x)

Jose is now six years older than John. In two years, Jose will be twice as old as John. How old is John now?

Suki has a 9 foot by 12 foot rug she is making a scale drawing of the rug that is 1 foot long. How many inches should its width be?

A researcher is interested in the eating behavior of rats and selects a group of 25 rats to be tested in a research study. The average score for the group of 25 rats is an example of a?

y = (1/2) x + cosx on the interval - 2 pi ≤ x ≤ 2 pi. use the second derivative test ti find the local extrema of f

Equation is y=mx+11, passes through (8'3)

3. Which of the following expressions equals 6 square root of 3? A. 18 B. 172 C. 36 D. V108

Why is it important for marine life that ice floats (it is less dense than liquid water) ?

3a + 4b = 2 5a + 9b = 1

A bag holds 6 tiles: 2 lettered and 4 numbered. Without looking, you choose a tile. What is the probability of drawing a number?

1. For dinner, Josie ate 3/4 of her pizza. Wha fraction is equivalent to? 3/4