What number to add to the equation to complete the square x^2+4x=0

Find the width of a rectangle with a length of 18cm and an area of 72cm

Given the function g (x) = b (-5x + 1) 6 - a, where a ≠ 0 and b ≠ 0 are constants. A. Find g′ (x) and g′′ (x). B. Prove that g is monotonic (this means that either g always increases or g always decreases). C.

You are working as a locksmith. Of the 50 customers you had today, 15 of them needed a new key for their car. What percentage of today's customers needed a new key for their car? How do i figure this out? A. 0.030% B. 0.3% C. 3% D. 30% E. 300%

For every 8 hours of work, Doug earns $120 dollar sign, If Doug works 40 hours, how much will he earn?

Entrance to a state park costs $6 per vehicle plus $2 per person in the vehicle how much would it cost for a car with 2 people to enter the park 4 people 10 people record the answers in the table

The average person drinks 1 pt of milk a day at this rate, how many gallons will a person drink in a leap year

What is the volume of the figure below which is composed of two cubes with side lengths of 8 units

A cereal box contains 8 1/4 cups of cereal. The nutritional information on the box defines a serving as 3/4 cups. How many servings does this box contain?

70%days in june were sunny how many days were sunny

A=1/2 (b+b+b) h. slice for h