The chemical element aluminum was discovered in 1825 by Hans Christian oersted. This was 18 years after sir Humphrey Davy discovered the element sodium.

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?