find the consecutives integers such that 3 times the square of yhe first is equal to 7 more than 5 times the second.

A boat travels at a speed of 20 mph in still water. It travels 48 miles upstream, and then returns to the starting point in a total of 5 hours. The speed of the current is ____mph? I am not getting the setup right. Can someone help me?

I am having a lot of trouble solving this problem. Could you please help me? A swimming pool 6 m wide and 10 m long is to be surrounded by a walk of uniform width. The area of the walk happens to equal the are of the pool. What is the width of the walk? Thank you very much for your help!

As people age, their ateries lose their elasticity, which causes blood pressure to increase. For healthy average systolic blood pressure is estimated by P=0.01A^2+0.05A+107, were P is the average blood pressure in millimeters or mercury (mm Hg) and A is the person's age. For healthy men, average...

The length of a playing field is 2 meters longer than its width. If the area of the playing field is 1200 square meters, fing the dimensions of the playing field.