27. 7/8 of 72
32. 9.5+1.3=1.3+what property?
33. 1.9+(5.3+2.7)=(what property+5.3)+2.7
39. which number is composite? 47,31,53,81,41
46. suppose you have 30 muffins. how many muffins are left after you give a friend 1/6 of them?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1