Subtract 2a - 3b25bc from the sum of 3a - 4bc -5b2 and 2b2+ bc-7a

Sara can take no more than 22 pounds of luggage on a trip. her suitcase weighs 112 ounces. how many more pounds can she pack without going over the limit?

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet