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use heron's formula and a calculator to find the area of each triangle. round your answer to the nearest whole number.
a=10 in.,b=11 in.,c=12 in.

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list