Am i correct? my answers are ***

1. which ray is a bisector of triangle abc?
bc
bd***
ba
bf
2. what is gf?
5
10
15***
25
3. what is the value of y?
2***
4
16
20
4. what is mtriangledbe?
20
30
40***
50
5. if mtrianglefba = 7x + 6y, what is mtrainglefba?
40
44
47***
60

in advance!

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

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