Answer:
<u>C. definition</u>
<u>Step-by-ste</u>p explanation:
"An acute angle is an angle smaller than a right angle or 90 degrees angle . this is the definition of acute angle
Answer:
B) 
Step-by-step explanation:
3x + 1 = x - 1
-3x - 3x
___________
1 = −2x - 1
+1 + 1
_________
2 = −2x
_ ___
−2 −2
[Plug this back into both equations above to get the y-coordinate of -2]; 
I am joyous to assist you anytime.
Answer:
22%
Step-by-step explanation:
100-78=22
just do the simple math