Subtract -1 3/5 - ( -2 7/8) Enter your answer as a simplified fraction by filling in the boxes

Find the quotient with the restriction.

What are the greatest common factor of 75 and 30

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)