A) it would be a ratio of 5:1, y=5x
B) if x is 12, it has doubled, so you do the same to y, so it would be 60
Answer:

The correct answer is C
Step-by-step explanation:
d=√((x_2-x_1)²+(y_2-y_1)²)
=(−1−2)2+(4−3)2‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾√
=(−3)2+(1)2‾‾‾‾‾‾‾‾‾‾‾‾√
=9+1‾‾‾‾‾√
=1‾√0
=3.162278
Answer:
2cm:2cm:2cm
Step-by-step explanation:
40/10=4/2=2cm
2cm=2cm
8cm/2/2cm=2cm
M(CE) = 78 + 78*4/26 = 90