Mrs. Donaleski estimated 70 students would try out for the Cross Country team. This year, only 63 students tried out. What was her percent error? Round to the nearest percent ( im to lazy to do this )

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?