A straight angle is 180 degrees. if you bisect it (cut it in half), you'll end up with two 90 degree angles, which are called right angles.
-2.4n-3+-7.8n+2
you combine like terms
(-2.4n+-7.8n)+(-3+2)
= -10.2n-1
Answer:A=X x=8
B=x X=9
C=x X=10
Step-by-step explanation:
Answer:
5.0-2.5=2.5
Step-by-step explanation:
