find the maximum amount that should be spent for monthly rent if a person makes $10.50 per hour.

Lets say the person works 8 hours a day, 25 days per month
Then he earns $10.5x8x25 = $2100 per months.

Lets assume that you should spend no more than 30 percent of your income on housing, then the maximum he can pay is 30% of $2100 = $630

Look, when you want to do something like put it like x^2. x2 could mean x² or x₂. so to clear confusion, know the notation. to find the product multiply the x's and you get -8x and the y's and you get 6y. since it's all being multiplied it is just -8x6y, or answer a. although the better answer is -48xy(combining -8 and 6) because you should multiply constants whenever you can.