Answer:
a. 22.5 km
b. 267.52 m
c. 95 m
d.
km
Step-by-step explanation:
a. You can convert from hectometers to kilometers, and then you can make the multiplication:


b. You can convert from centimeters to meters, and then you can make the multiplication:

c. You only need to divide 1,140 meters by 12:

d. You can convert from hectometers to kilometers, from decameters to kilometers and from meters to kilometers, and divide this by 15:



km
P=(15x-2+4x+7)2=(19x+5)2=38x+10
Answer:
x = 0
y = -4
negative 4 cuz the line goes down, meaning it's negative
Answer: 2x-1
combine like terms: 4x and -2x
-4 and 3