To correctly cross cancel this expression 2 4/5 × 1 4/21, the 2 4/5 would become ? and the 1 4/21 would become ?

Use the graph of the sine function y=2sinθ shown below

One positive number is 9 more than twice another. if their product is 95, find the numbers

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)