Farmers marked 45 cows and released them. The next day they counted 150 cows and 15 had marks. Find the best estimate for the cow population.

Click to choose the correct graph to match the given expression. y=2x^2

The sum of eight and three times a number is 53. Find the number. Part one - write an equation Part two - Solve it

An aquarium tank holds 474 liters of water. How much is this in gallons? Use the following conversion: 1 gallon is 3.8 liters.

9 Gregory thinks - 6.9 is not a rational number because it is not a fraction. Is Gregory correct? Explain how you know.

Which statements describes a many-to-one function? A. It is a linear function B. It passes the horizontal line test C. It is a nonlinear function D. Each x-value has more than one corresponding y-value

Given: ∠KJL and ∠KML intercept arc KL. Prove: m∠KJL = m∠KML

Express the area of each figure as a monomial. Solve 7x^4 if the formula is s^2.

A chess board is an 8 by 8 grid of squares. If you randomly choose 3 squares on the board, what is the probability that: a) they lie on the same line, excluding diagonal lines? b) they lie on the same line. including diagonal lines?

A marble bag contained 2 red marbles, 3 blue marbles, and 5 yellow marbles. Marco drew a blue marble and did not replace it. What is the probability of drawing a blue marble next?

An 85-foot rope from the top of a tree house to the ground forms a 45 degree angle of elevation from the ground. How high is the top of the tree house?