Answer:
She needs to sell for 64 more hours
Step-by-step explanation:
(-2 = √x - 7)x² (calculate)
(-9 = √x)x² (remove the parantheses)
-9x² + √x x²
Answer:
$n + $20
Step-by-step explanation:
Jim already has $n, and his mom has given him $20. We know we are not taking $n and subtracting $20, since his mom is adding that on to what he already has, we know we are not dividing, not multiplying but adding.
Conclusion : To find how much money he has now you would use the expression $n + $20
Hope this helps, please mark brainliest if possible. Have a nice day.