How many 7-digit phone numbers can be formed if the first digit cannot be zero and no digit can be repeated

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?