In the diagram below, DF = JL=a, FE = LK = b, and triangle DEF is a right triangle. use the drop- down menus to complete the proof that if the equation a ^2 + b^2 = c^2 is true of the side lengths in triangle JKL, the triangle JKL must be a right triangle.

If the dimensions of a rectangular prism are 5 ft x 3.5 ft x 2 ſt, what is the surface area?

How do you summarize data in a two-way frequency table?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%