100 POINTS PLEASE HELP! The ideal speed of an elevator is 120 feet/minute. But the elevator's speed is allowed to vary by less than a certain amount. Identify the graph of
the variance levels that indicate unacceptable elevator speeds.

Which expression is equivalent to the expression shown?

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x