A drawing of a man is 3 inches high. The actual man is 75 inches tall. What is the scale factor for the drawing?

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

Solve 2x+y=3 x+y=5 in substitution method