You flip 3 coins 20 times and record the number of heads. the results are listed below. 2, 1, 0, 2, 2, 0, 2, 2, 3, 2, 1, 2, 1, 2, 1, 1, 2, 1, 3, 1 complete the frequency table. a = ; b = ; c = ; d =

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?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

A+b= 17, ab=70, find the value of |a-b|