Mary wants to find an expression she can use to determine how far she has traveled. She knows that her distance is represented by (-24x3 - 70x2 -59x - 15) and that her time is represented by (2x + 1). Which expression, in simplest terms, represents her rate?
A)
- 12x2 - 29x - 15
B)
-8x² - 10x - 3
6x² + 13*+ 15
D)
10x² + 16x+ 3

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)