Consider a sample with a mean of 30 and a standard deviation of 5. Use Chebyshev's theorem to determine the percentage of the data within each of the following ranges (to the nearest whole number). 20 to 40, at least 75 % 15 to 45, at least 88.89 % 22 to 38, at least 37.5 % 18 to 42, at least 58.33 % 12 to 48, at least 72.22 %

What is the solution to the equation 9^(x+1) =27

What are the domain and range of the function f(x)=2^x+1

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)