The law of cosines is a2+b2 - 2abcosC = c^2 find the value of 2abcosC ... A. 40 B. - 40 C. 37 D. 20

(The sides are 2,4, and 5; A to B is 2, B to C is 4, and A to C is 5.)

How do you do 8*51 in property

Shirley has a credit card that uses the previous balance method. The opening balance of one of her 30-day billing cycles was $2830, but that was her balance for only the first 2 days of the billing cycle, because she then paid off her entire balance

What are the steps to finding the area of a cone?

Find a counterexample to show that the following conjecture is false. The quotient of any two integers is always less than 1.

If a frilled lizard is 90 centimeters long how long is the tail

The smallest hummingbird is the Bee hummingbird. It has a mass of about 1 1 4 grams. The mass of a larger type of hummingbird is about 5 times the mass of the Bee hummingbird. What is the mass of the larger hummingbird?

How long would it take to travel 200 meters at 5 m/s

Type your answer in decimal form. Do not round. 7 days = a0 hours

If you multiply two decimals that are less than 1, can you predict whether the product will be less than or greater than either of the factors?

Jessie and Mia are playing the integer card game. The cards in Jessie's hand are 3, - 5, 9 and - 6. What is the total score of Jessie's hand?