Answer:
x:x = 1 so it is a natural number
Step-by-step explanation:
it can be any negative number because: -x<9
and any number from 1 to 8
(x cannot be 0, because you cannot do 0/0 = 1)
Christy c = 90 min
kids k = 120 min
total time t = ?
I would do : 90+120 = 210 then divide that by 2 which equals 105 min
Answer:
Investment amount after 9 years = 14715.12$
Explanation:
It is given to use continuous change function, 
Here P = Principal = 10500$
r = Rate of increase = 0.0375
t = Number of years = 9

So, investment amount after 9 years = 14715.12$
If you multiply 11 by 15 which is 165 you will get your answer 165$