Answer:
the answer is 24 screws
Step-by-step explanation:
so if one screw is 0.75cm. all you have to do is divide
0.75/18=24
-2pi/3
y = 2 cos 3(x + 2π∕3) +1
y = A sin(B(x + C)) + D
amplitude is A
period is 2π/B
phase shift is C (positive is to the left)
vertical shift is D
We have a shift to the left of 2 pi /3
3*boys=2*18
3*boys=36
boys=12
12+18=30
total number of students: 30
-3
