Which of these is not a technique that can be used to randomly assign

students to a treatment group?

A. Getting recommended by a teacher

B. Flipping a coin

C. Rolling a die

D. Choosing a card from a fair deck

Samuel earned $18.90 working last weekend. He worked for 24 hours. Which equation and solution represents e, the amount Samuel earns each hour at his job?

Gabrielle is 15 years younger than Mikhail. The sum of their ages is 67. What is Mikhail's age?

Is 8.23 a rational number?

1. Write the slope-intercept form of the equation of each line given the slope and y-intercept. a. Slope = 5, y-intercept = - 3 b. Slope = - 1, y-intercept = 5

Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $40,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired.

What's the square rute of 0.81

The sun's rays are striking the ground at a 55° angle, and the length of the shadow of a tree is 56 feet. How tall is the tree? select one: a. 80.0 feet b. 45.9 feet (Incorrect) c. 34.2 feet (incorrect) d. 32.1 feet

Mass: 21 g volume:7cm3 density.

You roll a standard number cube Find p (number greater than 1)

Julius went on a volunteer trip to Central America and took medical supplies with him. He packed a bag with 50 pounds of supplies.