In an observational study, which of the following refers to a description of how the data are collected and the decisions are made in the study?

A. Introduction

B. Methodology

C. Results

D. Discussion

Edgar purchased a living room set for $4,258 using a 12-month deferred payment plan. The interest rate after the introductory period is 18.70%. A down payment of $325 is required as well as a minimum monthly payment of $117.

A bag has 5 blue marbles, 1 pink marble and 2 red marbles. I draw a blue marble, put it back and draw again. What is the probability that the second marble is blue? (A) 1/2 (B) 4/7 (C) 5/8 (D) 5/7

Why can't a quadratic equation can't have one imaginary solution

Ms. Young's tahoe gets 78 miles per 3 gallons. What's the unit rate for her mileage?

What is 5/8 times 1/2

Solve x^2-6x+25 = 0 by completing the square.

Which expressions are equivalent? a. 3x-7y and - 7y + 3x b. 3x-7y and 7y-3x c. 3x-7y and 3y-7x d. 3x-7y and - 3y+7x

Problem solving exercise 3d+d-7=25/4

What is the value of x in x/0.2 = - 11.3 A) - 11.5, because to isolate x, you would subtract 0.2 from - 11.3 B) - 2.26, because to isolate x, you would multiply - 11.3 by 0.2 C) - 56.5, because to isolate x, you would divide - 11.3 by 0.2 D) - 11.

How many feet of fencing is needed to fence in a 130 ft by 225 ft area?