Which expression is equivalent to cos(1.4x) - cos(0.6x) a.) -2sinxsin(0.4x) b.) 2sinxsin(0.4x) c.) -2cosxcos(0.4x) d.) 2cosxcox(0.4x)

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account