I wrote the domain and range in interval notation, not sure if that’s how you’re asked to do it. This is how I was taught to state the domain/range of a graph.
The bar between the numerator and denominator of a fraction represent division.
Answer:Benjamin’s age = 30 and David’s age = 6
Explanation:
Let x be the age of Benjamin
Let y be the age of David
x + y = 36
And 2x + 2y = 72
If we plug 30 for x and 6 for y we get:
30 + 6 = 36
36 = 36
2(30) + 2(6) = 72
60 + 12 = 72
72 = 72
=
Step-by-step explanation:
the answer is on foto
y = 9
The answer is 4.
<span>Square root of 2x plus 1 = 3:
</span>

<span>
Square both sides:
</span>

<span>
</span>