Use the diagram to derive the law of cosines.

Which of the following statements is true?

b = c cOS A

x = a cos C

c=h cos A

b/x=c/b

A bag contains six real diamonds and five fake diamonds. If six diamonds are picked from the bag at random, what is the probability that at most four of them are real?

Ella's test grades in her history class are 89, 94, 82, 84, and 98. What score must Ella make on her next test to have a mean test score of 90?

Maple grove wants to include two types of maple trees, the namesake of the city, for their parks. Two varieties of maple trees have been selected. One variety costs $75 per tree; the other more colorful variety costs $90 per tree.

What is the surface area of a rectangular prism with length 6 inches height 8 inches width 1 inch

What does 45 million look like in numbers?

alex rented a booth at the Comic Pro Conference to sell his new graphic novel. The booth rental is $50, and the cost to produce each book is 5.25 each. The novel sells for 12.95 each.

What is the name for the type of arranged monthly payment that is made from a savings or retirement fund so that the balance may continue to draw interest

Almost Pinejuice (y) costs one quarter as much as pineapple juice (p) does. What equation represents this statement? A) y = 4p B) y = p + 4 C) p = 1/4y D) y = 1/4p

Louis wants to carpet the rectangular floor of his basement. The basement has an area of 864 sq. Feet. The width of the basement is 2/3 its length What is the length of Louis's basement.

A radio station broadcast signal over an area with the radius of 50 miles. the station can relay the signal and broadcast over there with the radius is 75 miles. how much greater is the area of the broadcast region when the signal is relayed.