HELP In solving real-world problems such as estimating a crowd size or the number of possible telephone numbers, give two reasons why is it necessary to first make some reasonable assumptions about the situation. Respond in complete sentences*

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

What is another way to express 36 +32

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7