. Simplify the following expression by combining like terms:
(3x² + x - 2) - (4x² + x - 5).

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .