Karin uses a probability simulator to pull colored pencils from a bag 60 times and to flip a coin 60 times. the results are shown in the tables below:

using karin's simulation, what is the probability of pulling a red pencil and the coin landing on tails?

Which expression is equivalent to 4 square root 6 divided by 3 root 2

3x + 4y = 5 x- 3y = -7 solve by substitution

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?