Sandra makes $55,000 and is getting annual raises of $2,500. ellie makes $62,000 with annual raises of $2,000. how many years will take it take for sandra and ellie to make the same salary?

What is the value of x when x + 7 = 21?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

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?