I'll fv.*king kill your entire family you gay b17ch
Answer:
90°
Step-by-step explanation:
Angle C = arccos((84²+13²-85²)/(2×84×13))
= arccos(0/2184)
= arccos(0)
= 90°
Answered by GAUTHMATH
Answer:
I got it.
Step-by-step explanation:
-12a - (-15b) + (-3c)
7.5 is already in decimal form.