Prove that cosx. cosy-sinx. siny = cos (x+y)

given only a compass and straightedge, Greeks were able to construct any geometric object they wished true or flase

What is the product? (2x - 1) (x+4) 2²-4 2x²+4 2x^2+7x-4 2x^2-7x-4

What is the definition of a line

Is 19/20 terminating or repeating

Do two whole numbers always have a least common multiple?

Ten friends share 6 pizzas equally. What fraction of a pizza does each friend get?

If the average of the numbers 3, 4, x, y, and 2 is 4, what is the value of x+y?

Molly bought a case of bottled water at the store. The case contains 48 bottles. Molly knows that she will drink 3 bottles of water each day and plans to restock her supply of water once she has fewer than 10 bottles left.

A worker draws a 1/5 scale drawing of the top of a small air conditioning unit. The drawing is a small air conditioning unit. The drawing is a rectangle with a length of 4 inches and a width of 2 inches.

Mrs. Ellis dumps out her change purse and finds that she has 26 coins, all dimes and quarters, for a total of $4.85. how many more quarters does she have than dimes.