The circumference of a circular hot tub at a hotel is 56.5 yards. what is the diameter of the hot tub?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

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 !

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line