Answer:
an exponential equation has the form y=ar^x where y=final amount, a=initial amount, r=rate, and x=time, in this case
y=200(1.18)^x
Step-by-step explanation:
Answer:

Step-by-step explanation:

Distribute 4 through the parentheses

Collect like terms


Hope I helped!
Best regards! :D
Answer: I'm pretty sure I can help, just give me like 3 minutes..
-Angie
Answer:
1 hour and 40 minutes
Step-by-step explanation:
im high asfff
Answer:
x + 3
Step-by-step explanation:
A 'sum' means addition, 'a number' is represented by a variable, in this case, I chose 'x'. I could have picked any variable I wanted.
The sum of three and a number means: three plus some number, which is
3 + x in math language. We write variables before constants, so it gets
rewritten as x + 3