My acount got banned who ever got me banned is dead

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

Ineed so much with both of these tot

The difference between the observed value and the mean of the set of values is a