Your boss is extremely busy in a meeting and has asked not to be disturbed. what should you say or ask of callers? a. "may i ask who is calling, ? " b. "mr. johnson is in conference. may i you? " c. "mr. johnson is out of the office." d. "who is this? "

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

Cricket team of india australia and pakistan participant in 20-20 match . find the probability that india wins .

Technological solutions have good bad effects. what is one bad effect of spraying a chemical pesticide on crops