Answer:
The first one is 8/12.
Step-by-step explanation:Add numerator and keep denominator same.
First we'll substitute
with 

Then we can separate this.

Then we'll solve this.



Then we'll plug in to find the extraneous solutions (if any)

Answer:

Step-by-step explanation:
The formula of the area of a triangle is
. Plugging in the given base and height values, you get
. Hope this helps!
Answer:
100.00
Step-by-step explanation:
x=number of months until the costs are the same
50 + 20x = 25 + 30x
25 = 10x
x = 2.5 months
50 + 2.5(20) =$100.00
Answer:
A
Step-by-step explanation: