Solve this quadratic equation by completing the square. x2 + 10x = 13

The turtle population on an island is declining at a rate of 1.4% per year. The population was 3800 in the year 2009. Which answer is the best prediction of the population in the year 2014?

Estimate 660 divided by 7

The average annual income, I in dollars of a lawyer with an age ox X years is modeled with the following function: I=-425x⌃2 + 45, 500x-650,000 According to this model, what is the predicted average annual income of 40-year old lawyers?

Joe collected 45 seashells with 5 of his friends how many seashells will each friend get (use multiplication to complete the division)

The sales tax on a $750 computer at j & m is 48.75. what is the sales tax rate

A square lot is being turned into a garden with a 3-meter path at one end. If the area of the garden is 88 square meters, find the dimensions of the square lot.

Jean and Mark are going to fill a pool with 2 different sized hoses. Jean can fill the pool in 8 hours, while Mark can complete it in 12 hours. Their supervisor thinks that the job will take 10 hours to complete if they work together.

Your gas tank holds 13.5 gallons of gas your fuel gauge shows that your tank is one quarter full your car gets an average of 25 miles per gallon the gps show that you are 85 miles from your destination.

1. Matthew took a quiz with 20 questions. If he answered 16 of them correctly, what percent score did he earn on the quiz?

The area of a square is 4x2 + 20xy + 25y2. Find the perimeter.