Express tan22.5 using cos45

A plane which passes through three edges of a cube produces a triangular cross section as shown. In two or more complete sentences, explain how the plane should pass through the cube in order to produce a cross section that is a regular hexagon.

3a (a^2-3a+4) - 4 (3a^3-2a^2)

A bookstore sells 617 books on moday, 498 books on tuesday, and 563 books on wednsday. on which two days did the bookstore sell about 600 books

Given the f (x) = 8x - 3, find g (x) if g (x) = 5 - 2[f (x) ]2.

The cargo area of a truck is 8 1/2 feet long, 6 feet wide, and 10 1/2 feet high. The volume of the cargo area is cubic feet.

At a grocery store, the price of milk decreased from $2.98 to $2.32. What is the percent of decrease, rounded to the nearest whole number?

During a huge snowstorm in the white mountains last year, it snowed 400 centimeters in one week. How much did it snow in meters

the area of a square vegetable garden is 75 ft squared what is the approximate length of each side of the garden

How do I find the perimeter of any shape?

Which of the following numbers is divisible by 2, 3, 5, 6, 9, and 10? A. 420 B. 540 C. 250 D. 510 ... Im too lazy to do it myself