Answer:
Their slopes and y-intercepts are the same
Step-by-step explanation:
For example:
y=3x+5
y=3x+5
3x+5=3x+5
3x=3x
x=x
Thus, there's infinitely many solutions
Question 2 is 19.4 I hope I helped!
$3299.62
- compounded daily interest :

total money he will have : $13,123.62
- amount earned : $13,123.62 - $9,824 = $3299.62