Evaluate the expression 3.14 (a2 + ab) when a = 4 and b = 2. (Input decimals only, such as 12.71, as the answer.)

A company designs its packing so that it is a cylinder with a diameter of 4 inches and a height of 7 inches

Which is greater 800m or799,999mm

Write each number in expanded form 670,200,640

Tiffany collects perfume bottles. She has 99 bottles in her collection. Two thirds of her perfume bottles are made of crystal. How many of the perfume bottles in Tiffany's collection are made of crystal?

What is one half divided by three fifths

Which of the following is the factored form of the given equation? 6x 2 + 2x - 8 = 0

The store clerk ha s 21 mugs to display on shelves. she wants to display an equal number of mugs on each shelf with no mugs left over?

What is 143:333 laid out in the simplest form

What is the total cost of sweatshirt if the regular price is $42 and the sales tax is 5.5 or 5 1/2%

Value of the digit in the hundredths place. 44