A hot air ballon wasn't flying at and altitude of 2,150 feet. It took the ballon 4 minutes to descend to 1,430 feet. Find the average change in ballon height.

If n = 5.3 cm and p = 6.25cm what is the measure of angle

A statistics teacher wants to know how her students feel about an introductory statistics course. She decides to administer a survey to a random sample of students taking the course. She has several sampling plans to choose from.

Suppose you round 43,257,529 to 43,300,000 to what place value did you round?

Calculate the above probabilities for both sample sizes. (round intermediate calculations to 4 decimal places, "z" value to 2 decimal places, and final answer to 4 decimal places.)

Write an equation of the line below (0,-4) and (5,-6)

A swimming pool that contains 12,500 gallons of water also contains 25 ounces of chlorine. Which of these statements is correct based on this information? The pool has a ratio of 50 gallons of water to 1 ounce of chlorine.

H (x) = x^2-4x+1 find axis of symmetry

What is 19 = - 4 + 2/5x + 10?

The Freeman family bought a new apartment five years ago for $80,000. The house is now worth $199,200. Assuming a steady rate of growth, what was the yearly rate of appreciation?

What's (-1.15) * 3.2=? Explain = )