Solve for the variable.
-7 + x = 12
a. -19
b. -5
c. 5
d. 19

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Can someone me out here and the tell me the greatest common factor

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?