24-(6+3) write words to match the expression

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.