Two sides of a triangle measure 8 cm and 13 cm which of the following cannot be the length of the third side?
A. 4cm
B. 8cm
C. 14cm
D. 18cm

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Which shows one way to determine the facts of x3+4x2+5x+20 by grouping

The length of a lap is 15 meters. if lisa wants to swim 450 meters this week,how many laps must she swim