Answer:
Sirius will be 20 years old and his father will be 40 years old. ratio form: 20:40
Step-by-step explanation:
hope this helps
y=9
Step-by-step explanation:
y=2(6)-3
y=12-3
y=9
Answer:
2x + 5
Step-by-step explanation:
I am assuming you are talking about a linear function. If it is, then the equation would be:
2x + 5.
Hope this helps!
For this, we will be using the quadratic formula, which is
, with a=x^2 coefficient, b=x coefficient, and c = constant. Our equation will look like this: 
Firstly, solve the multiplications and the exponents: 
Next, do the addition: 
Next, your equation will be split into two:
. Solve them separately, and your answer will be