If 40% are boy and there are 12 boys
40% of girls would be 12 and another 20% is 6 so
You add 12+12+6=30 students total
I hope this helps you
PQ^2=9^2+14^2-2.9.14.cos20
PQ^2=81+196-236
PQ^2=41
PQ~6,4
Answer:
no
Step-by-step explanation:
2*(-4) -5*2 = -8-10 = -18
Answer:(-1,2)
Step-by-step explanation:
Do the operation:
3, 16, 24 | 2
3, 8, 12 | 2
3, 4, 6 | 2
3, 2, 3 | 2
3, 1, 3 | 3
1, 1
Answer:

Hope it helped,
Happy homework/ study/ exam!