Answer:
{-3, 1}
Step-by-step explanation:
If n is to the right of center -1 on a number line, we ADD 2 to -1, obtaining 1. Here n is 1.
If n is the left of center -1 on a number line, we SUBTRACT 2 from -1, obtaining -3. Here n is -3.
Answer:
a=15
Step-by-step explanation:

Hope it helps
Answer:
The answer is 190mm2
Step-by-step explanation:
(3x5)x2 30
(3x10)x2 60
(5x10)x2 100
add them all up to get 190
Answer:
4
Step-by-step explanation:
The greatest common factor (GCF) is the highest factor of two numbers...
4 (4) = 16
3 (4) = 12
4 is a factor of both 12 and 16. It is also the greatest factor of the two numbers. For example, 2 is also a factor of 12 and 16. However, it is not the greatest number... 4 is.