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

At the new light bulb plant, 9 out of 25 light bulbs produced are defective. If the daily production is 4400 light bulbs, how many are defective?

A parabola with vertex (h, k) and a vertical axis of symmetry is modeled by the equation y - k = a (x - h) 2. Determine the vertex for a parabola modeled by y = (x - 5) 2 + 8

What is the value of N? -10 = N over - 0.2

Jay caught two times as many fish as bob. together they caught 27 fish. how many fish did they each catch.

Keisha runs 3 miles in 28 minutes. At the same rate, how many miles would she run in 42 minutes?

How can i ➗ 15 by 42

Can have both positive and negative oxidation numbers metal or nonmetal

What is a good estimate for 1,025

If a=3and b=4 whats 3a + 4b

Melissa has 56 pens and 37 more pencils than pens. How many pencils did Melissa have?