Two girls arranged three langths of string to form a triangle. Based on the lengths below, which ar made a right triangle? HEATHER 13 in, 12 in, 5 in ERICA 17 in, 15 in, 12 in​

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%

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Which number line correctly shows 0.8 + 0.3?