So is blocked at my school and i need it to get my diploma vpns are blocked too what do i do its for edgnuity and the cumulative exams

Find the area of shaded region z=-0.89

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

The measure of the angles supplement is 30 more than four times that of its complement. find the measure of the angle described