Which of the following numbers must be added to complete the square in the equation below?

x²+18x = - 27

A. 18 B. 9 C. 54 D. 81

Solve for s. 2 - 28 = 8 + 13 S =

Natasha is setting tiles along the baseboard in her bathroom. one side of the bathroom is 18 3/4 feet. each tile is 1 1/2 feet long. how many tiles does she need for this section.

The area of a square garden is 50 m^2. How long is the diagonal? A. 25 m B. 100 m C. 5√6 m D. 10 m

Definition: a value of a function given a certain value for the unknown variable

Two angles are supplementary. one angle is 18° more than three times the other angle. found the measures of the angle

What property should be initially applied to simplify the expression (4a + 4b) + (2b - c) + 5c?

Which is the cheapest per ounce: a 2-L bottle (67.6 oz.) of root beer at $1.49, a six-pack of 20-oz. bottles at $2.49, or a twelve-pack of 12-oz. cans at $2.99?

Find the parametrization for the left half of the parábola y=x^2-4x+3

How long is a elaphants head

If 14x = 14--√131413, what value of x makes this equation true?