It took Gustavo 3 hours to drive to a football game. On the way home, he was able to increase his average speed by 16 mph and make the return drive in only 2 hours, Find his average speed on the return drive.
Step 1 of 3: Complete the following table by entering the missing values, using x to represent the unknown quantity

Icould really use some with this question.

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?