What percent is this ?
i’m trying to find the percentage of the annual income and i’m clueless

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?