The area and length of a rectangle are given. What is the width?

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers