There are 8 fluid ounces in one cup. how many fluid ounces are in one serving

Alarge rectangle is divided into four smaller rectangles.

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm