A boat travels 42 miles upstream in 3 hours looking for a lost diver. It then travels downstream 70 miles in 2 hours. Write a system to represent the situation. Then find the speed of the boat and the speed of the current. Use b for boat and c for current.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?