Describe the pattern in 1000,-100,10,-1 and then find the next two terms

Activity1: the following exercises serve as a review of translating between verbal and mathematical phrases, and evaluating expressions. instructions: answer each part neatly and promptly.a. translate the following verbal sentences to mathematical equation.2. the product of twelve and a number y is equal to twenty-four.

Eq.1 x(x-10)= -21 how do u solve this?

Athree digit number whose hundreds digit is half the tens digit and the tens digits is 2 modre than the unit digits