If t=18 and r=12, find s. round to the nearest tenth

The answer is 13.4 or √180

Pythagorean theorem states



C^2 is the longest side. The corner of the right angle points to it. The other sides are your a and b squared. They are called the legs or Opposite and Adjacent sides.

If i think this is what your asking, he should look at the grams or pounds/ounces and compare the to their cost then max can identify which one is proportional and which is not ( i think xd)