Answer:
8,55
Step-by-step explanation:
use trigonometric functions
Sorry, I am a little late.
Answer:
33 pupils
Step-by-step explanation:
Two vertical little squares=1 pupil
Pupils:
Mark 1: 3
Mark 2: 5
Mark 4: 2
Mark 5: 6
Mark 8: 12
Mark 9: 1
Mark 10: 4
Overall: 33
2 times because x = both 3 and -3
Answer:
A= width * height
A = (x+1)(x²-1) = x³-x+x²-1 =<em> </em>x³+x²-x-1
1st option is right one.