What is the missing digit in the addition problem?
8?6
+ 187
pls help me! :(

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Identify the number as a rational or irrational.explain. 127

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?