I am an alien who recently discovered math.

Simplify - 20 - (-5) * (-5) 2

Find the mean and the median of this data set: 8, 6, 6, 3, 72, 7, 4, 2

How to find canonical form of equation of a line then general form is given

Write 0.76 as a fraction. then looking at the decimal, circle t for terminating or r for repeating

List the metric system units for measuring length in order from greatest to least. Centimeter. Kilometer. Meter. Millimeter.

If the number - 20 is multiplied by a number that is between zero and one. Which of the following is true? The product is larger than - 20, the product is smaller than - 20 the product is - 20 or the product is undefined?

How do i explain that y=10/x is not linear

Lateral area of a prism

The manager of a sawmill wants to find out what percentage of the boards that the mill produced are defective. Which sampling methods are likely to be biased? Choose all answers that are correct. A.

A nickel pyramidal paper weight has a square base of sides 5 cm and a height of 3 cm. What is the mass of a dozen such paper if the mass of 1 cm3 of nickel is 8.9 g?'

a sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. Determine the 99% confidence interval for the population mean.