angles x and y are complimentary angles, hat means that their angles added together have a total of 90 degrees.
Assuming that I am properly understand your question, all you have to do is get the initial values for each individual and add their savings monthly.
Starting
Josie: 80
Addie: 60
One month
Josie: 110
Addie: 100
Two months
Josie: 140
Addie: 140
So two months would be the answer.
You could also do...
x = months
80 + 30x = 60 + 40x
20 + 30x = 40x
20 = 10x (Divide by ten on both sides)
2 = x
2 Months
Answer:
1/12
Step-by-step explanation:
Answer:
3) D
4) C
Step-by-step explanation:
1/2 + 1/4 = 3/4
17.6-4.4 = 13.2
Cost function, 
Revenue function, 
Profit function, 
Break point
.
Fixed cost
$
.
Variable cost
$
.
Price of item
$
.
Let
be the number of items produced and sold.
a) Cost function
Fixed cost
variable cost \times number of items
So, 
b) Revenue
Price of an item
number of items
So, 
c) Profit
Revenue
Cost



d) <u>Break even point</u> 



.
So, the product should be produced for
or more items.
Learn more about cost function here:
brainly.com/question/13129990?referrer=searchResults