Y=-4x^2-8x-13 find the vertex of this parabola

Bernice placed 5 green paper clips, 6 blue paper clips, and 9 yellow paper clips in a container. She will reach into the container and pull out one paper clip without looking. What is the probability that the paper clip she chooses will be green?

A sample of 49 observations is taken from a normal population. the sample mean is 55, and the sample standard deviation is 10. determine the 99 percent confidence interval for the population mean.

Evaluate the expression. 2 * (3^6 * 3^-5)

What is the scale factor if the scale is 5inches = 1 yard?

How many cups equal 372 quarts

Which choice represents the solution for x2 = 676? A) x = 16 B) x = 676 C) x = ± 16 D) x = ± 676

Find all zeros of the function and write the polynomial as a product of linear factors. f (x) = 3x4 + 4x3 + 13x2 + 16x + 4

Which sentence is the most accurate definition of an identity? An identity is an equation that is true for all real numbers. An identity is an equation that is true for all real values in its domain.

How do I simplify - 5 (3p+3) + 9 (-7+p)

Round each number to the place indicated. Draw a number line to support your decision. 1. 0.235; Round to the nearest tenth 2. 3.492; Round to the nearest hundredth 3. 8.0769; Round to the nearest thousandth