Acrane lifts a load by means of a pulley. the wheel of the pulley has a diameter of 42 cm . the load is pulled up at a uniform. rate of 0.8 m/s and takes two minutes to reach the desired level . calculate the number of complete revolutions. the wheel makes to raise the load.

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?

Convert to the greater unit before finding the perimeters of this rectangle: 6ft. 6in. by 7ft.

Acircle is centered at the point (5, -4) and passes through the point (-3, 2). the equation of this circle is