What is the standard deviation of the following data? If necessary, round your answer to two decimal places.

10, 12, 15, 18, 11, 13, 14, 16, 19, 20

Draw a graph of y=1/x

Which is the better buy $60 and 6 CDs or $72 and 8 CDs

Solve for the variable: - 7y < 21 A. y > - 28 B. y < - 28 C. y > - 3 D. y < - 3

What multiplies to - 126 but adds to 5?

Peter is saving for a down payment of $50,000 for a new home. Yesterday, he created an equation that models his current savings plan to determine how long it will take him reach his goal.

4x-5=2-x what is x? explain or show your reasoning

Samir works 15 hours for every 19 hours that Mitul works. If x represents the number of hours that Mitul works and y represents the hours that Samir works, which equation correctly models this relationship?

A statement that might be true, which can then be tested. The "if" portion of a conditional statement.

Is a polyhedron a 2 dimensional figure bounded by polygons

What is the reference angle of - 3 radians? Explain.