Well 3×3 is 6 and 9×2 is 18 so 6+18+X+3 and you'll find your answer, if you studied you'll know how to find X
Answer:
Step-by-step explanation:
$40 per day represents the slope
<u>Finding the y-intercept:</u>
<u>The function is then:</u>
I’d say 21 tbh unless the sum is half of the brothers age then it would be 9
5x(x) + (5x)(4) + (-2)(x) + (-2)(4)=
5x^2 + 20x - 2x - 8=
5x^2 + 18x -8
