Lara takes 40 minutes to drive 20 miles north and then 20 miles south to end up at the same place. Calculate average speed and average velocity

Anumber cube is rolled and a coin is tossed. the number cube and the coin are fair. what is the probability that the number rolled is less than 4 and the coin toss is tails?

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x