Rosa has designed a pulley system for a school science project. She has determined that
as the coefficient of friction increases, the efficiency of the pulley decreases. With a
coefficient of friction of 0.2, the efficiency of the pulley is 75%. What would you expect the
efficiency to be if the coefficient of friction increased to 0.3?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

One integer is 5 more than another. their product is 104. find the integers

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%