There are 30-18 = 12 girls. Their percentage is
... 12/30 × 100% = 40%
6/8 = 0.75
0.75 x 100 = 75%
Each square root of a number that does not generated as a square of an integer is irrational. This means that none of the given numbers is rational, that is, they are all irrational.
Good luck!!!!
Answer:
because there is 180 degrees in a line. if 105 degrees is taken away from the line. then (180 - 105) is 75 degrees.
