Indentify the leading coefficent in the follwing polynomial 12x^5 y^2 + 5x^2 y - 3y + 2

I kinda confused about the leading coefficen cause I know it's in the first term. But I'm not sure if it's 12 or 1 or both.

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

If 25% of y is 30, what is 60% of y?