Answer:
19
Step-by-step explanation:
9+10=19
Answer:
No
Step-by-step explanation:
Answer:
276.2 rounded to the nearest 10th is 276.2.....
Step-by-step explanation:
Answer:
a = -5
Step-by-step explanation:
15 - a = 20
Move the constant of 15 to the other side by subtracting it.
-a = 5
Divide by -1 to make a positive.
a = -5
Check.
15 - (-5) = 20
15 + 5 = 20
20 = 20
None since parallel lines never intersect.
I hope this helps!