If x2 = 20, what is the value of x? ±square root of 10
±square root of 20
±10
±40

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Pls , the question is in the picture!

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !