Which equation is equivalent to √x^2+81 = x+10

x + 9 = x+10

x+9=x^2+20x+100

x^2+81=x^2+100

x^2+81=x^2+20x + 100

A model scale is 1 in. = 1.5 ft. If the actual object is 18 feet, how long is the model? 27 inches 12 inches 16 inches 24 inches

Is 2/2 bigger than 3/3

A running coach checks on his team's best recorded sprinting times during practice. Drag the runners in order from the greatest to the least unit rate in meters per second.

Alonzo fills buckets at a rate of 6 gallons per minute. What is the rate of pints per hour

Do i have to check all 3 sums for triangle inequality theorem

What is the value of the expression when a=-2, b=3, and c = -6

Solve for g. 9 - g = 2g

A surfboard company would like to design a new long board in the shape of an ellipse. The surfboard should be 10 feet long and 2 feet wide. Find the equation of the surfboard.

a trip to a nearby island takes 2 1/3 hours by boat and 1/3 hour by plane. how many times fast as the boat is the plane?

4 + h - 8 - h expression