Write the slope intercept form of the equation of each line plz

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

How do i multiply two digit numbers

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?