Kaelin drew a map of the Nueces River. In the scale Kaelin used for the map, 3 centimeters represents 20 kilometers. The actual length of the Nueces River is 82 kilometers. What is the length in centimeters of the Nueces River on Kaelin's map?

12.3 cm

Step-by-step explanation:

The scale used measures every 20 kilometres as 3 centimetres and the river is 82 kilometres.

If 3 centimetres is 20 kilometres, 82 kilometres is;

3 : 20

x : 82

20x = 3 * 82

20x = 246

x = 246/20

x = 12.3 cm

d 192

step-by-step explanation:

we find our area to find area we multiply thoses numbers to get our answer so our area is 192

no

step-by-step explanation:

2-7=-5

7-2=5

when you combing like terms for ech expression, 5 and -5. these numbers are not equal to each other.