Which of the following choices is the standard deviation of the sample shown here

18, 19, 20, 21, 22

A) 2.5

B) 20

C) / 2.5

D) / 2

E) 2

Solve each compound inequality. 3x≥12 and 5x≤5

8. Riverside has 270 seventh grade students, and its ratio of boys to girls is 5:4. Salem has 180 seventh grade students, and its ratio of boys to girls is 4:5. The two towns hold a carnival, and all seventh grade students from both towns attend.

Find any intercepts for the graph of x divided by a y divided b=1 the x-intercept is

The tens digit of a two-digit number is five less than the ones digit. The sum of four times the tens digit and one-third the ones digit is 19. Find the number and show your work

The length of a rectangle is 7 inches longer than its width. If the area of the rectangle is 144 square inches, what are the dimensions?

On Saturday, $585 was collected from the sale of 55 tickets for a performance. Adult tickets are $12 and student tickets cost 25% less than adult tickets. Find the number of adult tickets and number of student tickets sold on that day.

The square below has side 6x. Find the area of the square remaining after a circle of radius 4x is removed from the square; in other words, find the area of the shaded region in factored form

What is the greatest common factor of 14 and 28

Is this a one solution, no solution or infinit solution y=2x - 1

What is a decimal equivalent of the fraction 32/45