11.8321595662
Step-by-step explanation:
thats all I know
Option B
√14 x √10
=√140
=√4x35
=2√35
the one on the bottom left
step-by-step explanation:
all of the other ones have a specific pattern
36 girls
the 48 boys is 4 parts of the ratio
divide 48 by 4 to obtain one part of the ratio
= 12 ← 1 part of the ratio
3 parts = 3 × 12 = 36 ← number of girls