Two students, Bill and Ted, go to different schools and want to find out who has the higher GPA relative to the students at their own school.
• Bill has a GPA of 2.4, and his school has a mean GPA of 3.15 and a standard
deviation of 0.45.
• Ted has a GPA of 2.3, and his school has a mean of 3.05 and a standard
deviation of 0.4.
Who has the higher GPA when compared to each of their schools?
Assume GPA has a normal distribution for each school. Justify your answer.

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

What is the slope of the line shown below?

Arrange the steps to solve this system of linear equations in the correct sequence. x + y = -2 2x – 3y = -9 tiles subtract 3x + 3y = -6 (obtained in step 1) from 2x – 3y = -9 (given) to solve for x. substitute the value of x in the first equation (x + y = -2) to get y = 1. the solution for the system of equations is (-3, 1). x = -15 the solution for the system of equations is (-15, 13). add 3x + 3y = -6 (obtained in step 1) to 2x – 3y = -9 (given), and solve for x. x = -3 substitute the value of x in the first equation (x + y = -2) to get y = 13. multiply the first equation by 3: 3(x + y) = 3(-2) 3x + 3y = -6.