How would you write the variable expression “5 less than n”?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.