Ms. Brown 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
whole percent)

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.