6x+15=27
6x/6=12/6
X=2
27-15=12
Y = 15
180 = 142 + 2y + 8
180 = 150 + 2y
30 = 2y
y = 15
x = 30.5
142 = 4x + 20
122 = 4x
x = 30.5
I'd say it's 4 and 5 because the sqrt of 21 is 4.58258 which is pass 4 yet not pass 5.
I hope that helps!
F(x) = 1/4x
subtitute x = -5
f(-5) = 1/4 · (-5) = -5/4 = -1 1/4
Answer:
CD = 3, FD = 9
Not congruent
Step-by-step explanation:
Its a number line. count the dots and you get the answer