To determine the size of a sample, the standard deviation of the population must be estimated by either taking a plot surveying or by approximating it based on knowledge of the population.

a) true

b) false

What is another name for the standard form of a quadratic function?

Donna has scored 62, 70, and 62 on her previous three tests. What score does she need on her next test so that her average (mean) is 63?

Alan bought a fish for 20$ he has 30 dollars does he have enough money

Sandy drives in town at a rate of 25 miles per hour. It takes her 15 minutes to drive to the store. How far is it to the store?

How do I convert 50 femtograms to milligrams?

When is a rectangle a square?

A city has a population of 310,000 people. Suppose that each year the population grows by 8.25%. What will the population be after 5 years?

A manufacturing company makes 1,125 items every hour. Which of these statements are true? Check all that apply. 3,255 items are made every 3 hours. 4,500 items are made every 4 hours. 5,625 items are made every 5 hours.

The size of a triangle measure 6 inches, 8inches and 10 inches. the triangle has one 90 angle. what type of triangle is it

Which transformation describes the equation from its parent equation? f (x-9) Your answer: horizontal shift right 9 units vertical shift up 9 units vertical stretch by a factor of 9 horizontal shift left 9 units