15.Dylan has 400 more
17. 426 divided by 10= 42.6
The equation is 
The solved equation is 11
First, we must add 13 on both sides

The answer to the equation is 
Answer:
x>1 and y>1
Step-by-step explanation:
x+y>2....... (i)
2x-y>1...... (ii)
Adding equations (i) and (ii),
x+y+2x-y>2+1
3x>3
x>3/3
x>1.
Putting the value of x in equation (i),
1+y>2
y>2-1
y>1.
Answer:Search it up
Step-by-step explanation:
Answer:
√30
Step-by-step explanation:
We can find the value of x by using Euclidean theorem
x^2 = 3 × 10
if x^ = 30 then x = √30