(y + 7)^2 = (y + 7)(y + 7)
Multiply all the terms in the first parenthesis to all the terms in the 2nd parenthesis:
y * y = y^2
y * 7 = 7y
7 * y = 7y
7 * 7 = 49
So we have:
y^2 + 7y + 7y + 49
Combine like terms:
y^2 + 14y + 49
Answer:
12241.025
Step-by-step explanation:
Twelve thousand, two hundred and forty one point zero, two, five
The correct answer is 5/y(y+3)
3.78 Per hour should be the answer