Answer:
46
Step-by-step explanation:
64 spaces. 18 empty
64 - 18 = 46
Answer:
28.26 square inches
Step-by-step explanation:
Formula for area of a circle:

Radius is 3.

Use 3.14 for pi:

The area should be 28.26 square inches.
If 1 inch = 2.5 yards then
x inch = 80 yards
cross multiplying we have:
80 × 1 = x × 2.5
x = 80÷ 2.5 = 32 inches
therefore the picnic area is 32 inches in the drawing.
we know that
p^2 is the the frequency of hba homozygote
we are given
frequency of hba homozygotes is 0.1
so,
p^2 =frequency of hba homozygotes
we can plug values
and we get
..............Answer