Commission rate: a realtor makes a commission of $4,500 on a $90,000 house he sells. what is his commission rate?

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39