NEED ANSWER QUICK Which postulates and theorems may be used to determine of the triangles are congruent? Check all that apply.

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

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11