Answer:
irrational
Step-by-step explanation:
Well, 4 times 7 is 28 and then plus 2 is 30! Therefore, he buy at the most 7 books.
Answer:
x = 145
Step-by-step explanation:
The reason being is because 145 is vertical to x and they are congruent so it is 145.
Answer:
C y=1/2cos(x)-2
I'm not sure if it is right
My head hurts so its hard for me to concentrate
Answer: 19
Step-by-step explanation: