Darla hits the glass 78 times in 6
minutes. How many times is that
per minute?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

What is the sum of the measures of the interior angles of an octagon