There really isn’t a possible answer since there is not enough information given. Not from what I have learned so far at least, but using common sense, and the process of elimination I would say 30
Answer:

Step-by-step explanation:
hope this helps!
Answer:
5683.2 Euro's
Step-by-step explanation:
i=
p=7400 Euro's
r=12.8*1/100
t=6yrs
I=P*R*T
7400*12.8/100*6
=5683.2 Euro's
Answer:

Step-by-step explanation:
Required
The equation of the ellipse
This is calculated as:

Where:
---- height
--- width
So:



Answer:
x and y = 5√2.
Step-by-step explanation:
This is a 45:45:90 triangle so length of x = length of y.
In this triangle the ratio of the sides is 1:1:√2
Finding length of x and y:
1/√2 = x/10
√2x = 10
x = 10/√2
= 10√2/2
= 5√2.