Find present worth of an ordinary annuity of rs 1200 p. a for 10 years at 12% p. a compounded annually​

When your working with the passage-based reading questions on the psat do all of the following except. a)make sure you read each question throughly. b) try to answer each question before you look at the answers. c) plan to spend most of your time reading the passage. d) make sure your answer choice is the most correct number me

Igot a 80% on my final to os ya take these points in return

The different layers of gases that extend form the surface of the earth into space