Simplify 5a + 4b + 5c + (-2a) + b a.3a + 4b + 5c
b.3a + 5b + 5c
c.7a + 5b + 5c
d.12abc

its muilty chose ^^ so its a, b,c, or d
please help

What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}