A boat traveled downstream a distance of 136 mi and then came right back. If the speed of the current was 7 mph and the total trip took hours and 40 minutes, find the average speed of the boat relative to the water.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.

What is the inverse of f(x) = 6x -24