Which of the following relations is a function?
A.
(6, 10), (-9, 2), (-1, 7), (-5, 10)

B.
(-1, 10), (-9, 2), (-1, 7), (-9, -5)

C.
(10, 6), (2, -9), (7, -1), (10, -5)

D.
(6, 10), (-9, 2), (-1, 7), (-1, -5)

The solution set for 5v2 – 125 = 0 is

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)