1. what are the roots of the equation? x2+3x−18=0 enter your answers in the boxes. x = and x = 2. what are the roots of the equation? x2+24=14x enter your answers in the boxes. x1= x2=

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

What is the area of the trapezoid shown ?

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?