The difference of 9 and three times a number is that number increased by 5. Find the number. just give me the equation

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)