Evaluate x minus yx−y for the given replacement values. x equals 5x=5 and y equals negative 25

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?