Answer:
50
Step-by-step explanation:
Answer:
It is an example of an observational study.
Step-by-step explanation:
A) 70 pools in total
B) 5:2
£1.00= 100 cents, 100- 64 = 36.
36
Answer:
153.86 square feet
Step-by-step explanation:
The formula for the area of a circle is A=πr2
area = pi x radius squared
the radius is 7 feet, square that to get 49
multiply 49 by pi to get the area: 153.86 square feet