Area= pi x r^2
= pi x 13^2
=pi x 169
= 530.929
= to the nearest whole number 531
You may use direct substitution to solve for x and y.
So, x=2 and y=4.
5.
In 4.75 the 7 makes it round up to 5
Answer:
E
Step-by-step explanation:
After 2 hours there is 12 bacteria present in the sample
