What number must be added to the expression below to complete the square?

x2 - 22x

A. - 121

B. 11

C. 121

D. - 11

You are starting a sandwich shop. You are given the following prices. Use the prices to determine the price you must charge for each sandwich to turn a profit. You plan to sell 100 sandwiches per day.

A medium sized apple weighs 130 grams. How many apples are there in 1 kilogram?

Samples of size n = 15 are randomly selected from the population of numbers (0 through 9) produced by a random-number generator, and the standard deviation is found for each sample.

If tan x = z/10 and cos = 10/y what is the value for sin x

At a certain time of day the angle of elevation of the sun is 30 degree a tree has a shadow that is 25 feet long find the height of the tree to the nearest foot

Which is the quotient of 4.18 X 10° which is the quotient or 7.1 x 10-2 A. 3.8 X 106 B. 3.8 x 100 C 3.8 x 1016 D. 3.8 x 104 em

If the interior angle of a regular polygon measures 170°, how many sides does it have

What is 7 divided by 6261

Simplify the expression 53 + 3 (5 - 3)

If a circle has circumference 100pi units, what is it's area