Find the area of a regular polygon with 100 sides with a perimeter of 100 units

How to construct a 180 degree angle

A bag of balloons contains 4 red balloons, 12 green balloons, 16 yellow balloons, and 6 orange balloons. What is the probability that a randomly selected balloon would be green or orange? 11/19 10/19 14/19 9/19

Ira described the data on a dot plot as having a cluster from 0 to 3, a gap at 4, a peak at 1, and being skewed right. Which dot plot shows the data Ira is describing? A dot plot titled Math Assignments completed going from 0 to 5.

What is the easiest way to explain percentages

A passenger plane made a trip to Las Vegas and back. On the trip there it flew 432 mph and on return trip it went 40 mph. How long did the trip there take if the return trip took nine hours?

Consider two circles, a smaller one and a larger one. If the larger one has a radius that is 15 feet larger than that of the smaller circle and the ratio of the circumferences is 4 colon 1, what are the radii of the two circles?

A student estimated a mass for by 325g, but upon carefully mesuring it, found the actual mass to be 342g. What is the percent error?

James works as a waiter. He served meals with bills of $23.59, $40.65, $30.50, and $15.68. If his total for tips was $17.67, what percent tip did he receive for serving these meals? Round the answer to the nearest percent.

What is the estimate sum of 3 4/15

The ratio of Gus's driveway is 13 yards to 4 yards. What is the ratio in feet?