How many different three digit numbers can be formed with 1 2 and 3?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

What number line represents the solution set for the inequality -1/2 greater than or equal to 4