2.2

22: Add w times w, w times 6, 9 times w, and 9 times 6.

32: The area of a triangle is its base times its height times ½.

37: Multiply each term in the second polynomial by y, and also multiply each by 3.

45: What will determine what the highest exponent will be?

50: Multiply two of the dimensions together, and then multiply by the third.

58: Flip the fraction, and square everything in it.