The three perpendicular bisectors of a triangle intersect at the.

a) circumcenter
b) incenter
c) centroid
d) orthocenter

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree