Find the probability that a vowel selected at random in the English alphabet is an "i"

You work for a lender that requires a 20% down payment and uses the standard depth to income ratio to determine a person‘s a little eligibility for a home loan of the following choose the person that you would rate the highest on their eligibility for a home loan

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

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