The subject of a formula is the variable that is being worked out. It can be recognised as the letter on its own on one side of the equals sign. For example, in the formula for the area of a rectangle ...

COLUMBIA, S.C. — If your child's math homework has you scratching your head confused, you're not alone. Parents who grew up in the '80s, and '90s learned basic formulas, such as long division to solve ...

Rearranging the formula for the circumference of a circle makes the radius the subject. Start with the new subject and write out the function machine for the formula, showing each operation step by ...