Please help me The lengths of a triangle are 50 m, 120 m, and 130 m. Which formula could be used to show that the triangle is a right triangle?

A. 502 + 1302 = 1202
B. 1202 + 502 1302
C. 1302 + 1202 = 502
D. 502 + 502 1202​

Consider the function f(x)=−2/3x+5 . what is f(1/2) ? enter your answer, as a simplified fraction, in the box. f(1/2)=

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

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