Step-by-step explanation:
We have been given that David, Egil and Frances share money in the ratio 2:7:9.
Let 2x, 7x and 9x be the amounts of money that David, Agil and Frances get respectively.
We are told that Frances gets $80 more than David. So we can write this information in an equation as:

Now let us solve for x.


Now let us substitute
in 7x (amount of money that Egil gets).

Upon cancelling out 7 from numerator and denominator we will get,
Therefore, Egil will get $80.
Answer:
Domain= how many boxes there are from each circle to the other, and the range is basically the height. In this case, Domain= 8, Range=2
Answer:
B
Step-by-step explanation:
A doesn't repeat at all
B just repeats on the 3
C repeats on the 1 and 3
D repeats on the 5, 1, and 3
1/4 : 2 or 1/8 : 1. That is how I would have done it. I hope this helps you.
Answer:
Step-by-step explanation:
9.) Solar System
10.) Planet
11.) Gravity
12.) Asteroid belt
13.) Newtons
14.) Orbit
15.) Mass
16.) Sun