If it rained on 3 days out of 20 days, on what percent of the days did it rain?

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?