A square is altered so that one dimension is increased by 4 while the other dimension is increased by 2. The area of the resulting rectangle is 63. Find the area of the original square. The are of the original square is square units

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

What is an equation of the line that passes through the point (-2,3) and is parallel to the line whose equations is y=3/2x-4? i am stuck between y=3/2x or y=3/2x+6 : (

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year