What is the image of the point (-2, -7) after a rotation of 90° counterclockwise
about the origin?

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Tyler reads 2/5 of a book on monday, 1/3 of it on tuesday, 2/9 of it on wednesday, and 3/4 of the remainder on thursday. if he still has 14 pages left to read on friday, how many pages are there in the book?