What is the radius of the circle inscribed in triangle $abc$ if $ab = 15, ac = 41, bc = 52$?

A circular garden has a circumference of 88 yards. Lars is digging a straight line along a diameter of the garden at a rate of 7 yards per hour. How many hours will it take him to dig across the garden? Use 3.

A frog (with webbed feet for sticking to a vertical surface) falls into a 6 ft deep hole with vertical sides. As the frog tries to escape, it is able to jump up 3 ft on a jump, but then slides back down 2 ft before it can jump again.

55. 3.99 / 1.5 = A. 0.266 B. 0.267 C. 2.0 D. 2.66 E. 2.67

Alaska is the largest state in the United States with an area of about 1.5 x 10^6 square kilometers. Rhode Island is the smallest state with an area of about 2,700 square kilometers. About how many times larger is Alaska than Rhode Island?

A private plane can make a 125-mile trip in half an hour when flying against a certain headwind. win the same wind, it can make the trip in 25 minutes. Find the speed of the wind and the plane's airspeed.

What are the integer solutions to the inequality below? 2x < 3x + 2 < x + 6

Art drinks 2 quarts of milk every 3 days. How many days will it take him to drink 3 gallons of milk? How do I show my work?

Use the discriminant to determine how many real number solutions exist for the quadratic equation - 4j2 + 3j - 28 = 0. A. 3 B. 2 C. 0 D. 1

Tom took a trip of 1,300 miles. He traveled by train at 50 miles an hour and the same number of hours by plane at 275 mph. How many hours did the trip take?

A staghorn calculus is a