Mario created a circular mosaic pattern with a central angle cutout, which will be blank. Approximately how many square inches of space are blank? O A. 9.42 OB. 4.71 O C. 1.57 OD. 2.50 Mario created a circular mosaic pattern with a central angle cutout, which will be blank.

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

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 is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)