The original price of the meal was $13.47 because 20% of 18.50 is 3.7 you subtract it from 18.50 and then you get 14.8 then you do 9% of 14.8 and get 1.332 and subtract that from 14.8 and get 13.468 and round to the nearest hundred.
Answer:
The insect population after 6 days is of 1639 insects.
Step-by-step explanation:
A population of insects increases at a rate 230 + 8t + 0.9t2 insects per day
This means that 
The population of insects after x days is given by:

So



In which K is the initital population(which is 50). So

After 6 days:

Rounding to the nearest insect, 1639
The insect population after 6 days is of 1639 insects.
Answer:
C:30π cm
Step-by-step explanation:
The formula for the circumference of a circle is
C = 2πr
Since the radius is 15 cm, this makes 2r = 2(15) = 30 cm. This makes the circumference
C = 30π cm
Answer: 4.3
Step-by-step explanation:
11x2=22
22/3= 7.3
7.3-3= 4.3
They are lines or planes that do not intersect.