Last week, ethan finished 3 1⁄5 books, but this week he only finished 1 4⁄5 books. how many more books did he read last week?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)