Lisa wants to maintain an average of at least 80 on her spelling quizzes. So far, she has earned scores of 90, 90, 85, 70, 82, 83, and 88. What
is the LOWEST grade she can earn on the next quiz to have an average of at least 80?

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

a. she will receive a refund of $278.

step-by-step explanation:

answer: c. is your answer

step-by-step explanation: get me a black leather coat

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)