Ou invested $4,500 in a project which gave you a return of 14.1% the 1st year. you were quite happy, but the 2nd year wasn't as good. you lost 4.8% that year. the 3rd year was better - you made 7.2% on this investment. what was your annual average rate of return over the three years?

Read the following paragraph, and choose the best revision for one of its sentences.dr. blake is retiring at the end of the month. there will be an unoccupied office upon his departure, and it is big in size. because every other office is occupied, we should convert dr. blake’s office into a lounge. it is absolutely essential that this issue is discussed at the next staff meeting. (a) because every other office is occupied, it’s recommended that we should convert dr. blake’s office into a lounge. (b) because every other office is filled, we should convert dr. blake’s office into a lounge.