On a model castle, 1 inch equals 83 feet. The model is 10.5 inches wide. What is the actual width of the castle? Enter your answer in the box.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.