Properties of Real Numbers · Review Exercise 82

Translate the phrases into algebraic expressions.

ⓐ the sum of $4a{b}^2$ and $7a^3{b}^2$
ⓑ the product of $6y^2$ and $3y$
ⓒ twelve more than $5x$
ⓓ $5y$ less than $8y^2$

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Intermediate Algebra 2e · §1.5 Properties of Real Numbers · Review Exercise 82