68.32 divided by 2.8 is 24.4. I hope this helps!
You seem to already see that you need to multiple x with the other numbers. When you start off solving it you'd get.. x-6=x2(to the power of) + 6x . Then just move the equation over from the left to the right. and solve, I've got -6+x2(power of 2)+7x, that's it
1/7w-5 ???? That might be right not sure tho
It would take 4 days for them to build the houses.