One number is four times another number. The sum of their reciprocals is 1/4. What are the numbers.

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

Which specimen would best be viewed using a compound light microscope?

Tim earns $9.20 per hour when he works at the college library how much money does he earn by working at the library for 4.5 hours