Which value must be added to the expression x2 + x to make it a perfect-square trinomial?

One beaver can chew though a tree that is 15 cm thick in 20 min if it works at the same pase how long will it tack one beaver to cut down enough trees to create a stack 1.2 meters tall

21. An unknown substance from planet X has a density of 10 g/mL. It occupies a volume of 80 mL. What is the mass of this unknown substance? a. 8 g b ...125 g c. 80 g d. 800 g

In one month, Mr. Rich earns $9,278 in regular pay and $2,132 in overtime pay. A total of $673 is deducted from his paycheck for taxes and a company loan. How much is his take-home pay? $10,737 $10,747 $11,273 $10,727

The perimeter of a rectangular garden is 290 feet. If the length of the garden is 89 feet, what is its width?

John skied cross country for 12 miles at 3 miles per hour. He finished skiing at 2:00 p. m. Which explanation correctly tells how to calculate what time John started skiing? A. Step 1 Divide: 12 : 4. Step 2 Add the quotient to 2:00 p. m.

If x^2=64 and x is positive, what is the value of

A bicycle store costs $2400 per month to operate. The store pays an average of $50 per bike. The average selling price of each bicycle is $90. How many bicycles must the store sell each month to break even?

The music department orders 4 times as many Rock CDs as Jazz CDs. If the department orders 550. CDs, how many of CDs are rock?

After an earthquake in a city 15% were found missing, 25 % critically injured, 20 % suffered minor injury and 400 people had no injury how many people were there in the city

The period of a pendulum is the time the pendulum takes to swing back and forth one full time. The function I = 0.81t^2 relates the length l in feet of a pendulum to the time t in seconds that it takes to swing back and forth.