In a standard normal distribution, what percent of values are less than -0.23?

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

Find the arc length of the semicircle. 7the grade

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.