Which is a good comparison if the estimated sum and the actual sum of 7 9/12 + 2 11/12 ?

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.

The formula to determine energy is e=1/2mv2? what is the formula solved for v?

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)