A falling object travels a distance given by the formula d=5t+4t2, where d is measured in feet and t is measured in seconds. How many seconds will it take for the object to travel 81 feet? Round the answer to 4 decimal places.

Which letters from the table represent like terms? a and b b and c a and d b and d

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

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)