Write the expression as the sine, cosine, or tangent of an angle.

cos 8x cos 2x - sin 8x sin 2x

The Wright family recently went out to dinner. They ordered two pizzas at $14.95 each, a salad at $4.35, and four drinks at $2.49 each. The sales tax is 7.675 %. Mr. Wright paid with a $50 bill. Mr.

What is 7.03+9.0+3.07 as menta math

If the side of a square is doubled in length, what is the percentage increase in area

Sean makes 2 pizzas. He gives 8 people an equal share of the pizza. How much pizza does each person get?

Haley, Chuck, Dana, and Chris enter a contest to see who could bake the most chocolate chip cookies in an hour. Haley bakes 55, Chuck bakes 70, and Dana bakes 90. if they bake an average of 75 cookies, how many cookies does Chris bake?

Simplify the following expressions. Group like terms together first. 2a - 3ax + 4a + 4ax 8r + 9s - 4r - 7s x + y + z - 3x - 4y - 2z 9 + 4b + c - 9b - 1

If 90 percent of cookies were eaten and five remain how many cookies were on the platter before they were eaten

Naming arcs and finding arc measures Which statements are correct?

What is twenty on thousand and sixty four in digits?

Round 6.5472 to the hundredths place.