Answer:
5
Step-by-step explanation:
24×4=96
96+4=100 students
This is in the fourth quadrant where the cosine is positive
By pythagoras the hypotenuse is 5
so the cosine is 3/5 B
The negation isn't always true, as you can be unhappy while also not being hungry.
Answer:
7.74 square cm
Step-by-step explanation:
To find the leftovers, calculate the area of the square and the area of the circle. Then subtract the two.
Square: A = s*s = 6*6 = 36
Circle: 
The area leftover is A = 36 - 28.26 = 7.74