Problem suppose a+b = 2a+b=2a, plus, b, equals, 2 a. which one of these expressions equals b-ab? ab, minus, a

Question and answers are in the attached picture. you so much in advance.

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class