I cant answer if you dont give me the annual rate of change. try m4th way
You have to do a system, lets say x are noble fir trees and y are douglas fir trees,
5x+3y=420
12x+9y=1080
if you solve this you get,
x=60 and
y=40
SO Noble fir trees cost $60 and Douglas fir trees cost $40.
Using proportions, it is found that:
- The fraction that shows the proportion of customers who voted for cheddar flavor is

- 56% of customers voted for cheddar flavor.
- A proportion is the <u>number of desired outcomes divided by the number of total outcomes</u>.
- A percentage is the <u>proportion multiplied by 100%</u>.
In this question, 42 out of 75 customers voted for the cheddar flavor, hence:

That is, the fraction that shows the proportion of customers who voted for cheddar flavor is 
The percentage is:

56% of customers voted for cheddar flavor.
To learn more about proportions, you can take a look at brainly.com/question/24372153
The believe that the answer to the question asked above is there are 2 synapses in a reflex arc, but in a muscle there are 3.
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
Answer:
9π miles²
Step-by-step explanation:
The area of a circle is πr²
Now we plug in 3 miles for the radius
A=πr²
A=π3²
A=9π miles²