Answer:
Step-by-step explanation:
Cos^-1(1/2) = 60
To get from a degree to radian, simply multiply by pi then divide by 180. So the final answer is 1/3pi or approximately 1.0472
I hope this helped! :D
Put the value of x to the inequality:

Answer: 4x = -8
Reasoning:
Multiply both sides by 4
Answer:
B(4,-2) D(-3,5)
Step-by-step explanation:
you must graph the points and project the lines in X and Y until they intersect and form a square
I attached an image
Answer:
C. 5 is solution of the inequality: B>2.1