Answer:
MATH PROBLEM
Step-by-step explanation:
CosA=(21^2+23^2-25^2)/2*21*23
cosA=345/966
A=cos^-1(345/966)
A=69.08
I believe it would be 45 is greater than or equal to 3x + (3x-1) + [(3x-1)-4]
Answer:
20+56 or basically 76
Step-by-step explanation:
Just multiply -8 to -2.5 and -7.