{2}\) (where \(b\) represents the base of the ... The plural of formula is formulae or formulas. Formulae contain equals signs, as do equations, so it can sometimes be difficult to tell the ...

Algebra is commonly used in formulas when we do not know at least ... Imagine that a customer spends £50 in their first 2 months with us. We have to include their first month as x = 0, so their ...