During a trip, pablo traveled x percent of the total distance at an average speed of 30 miles per hour and the rest of the distance at an average speed of 45 miles per hour. in terms of x, what was francine's average speed for the entire trip?

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)