MATH SAT Please help me on these I do not understand these this is what I was given I’m on a time crunch here and don’t answer if you are just going to take points

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

Tom is going 10 mph jane is going 30 what's size is an african warlords shoe

Which structures are found in animal cells? more than one question. a. lysosome b. cell wall c. cilia d. chloroplast