21. The area of a rectangle is equal to its length times its width. If the area of a rectangle is 14x + 42 square feet, which option(s) could be the length and
width of that rectangle? Select all that apply.

Anna is no more than 3 years older than 2 times jamie’s age. jamie is at least 14 and anna is at most 35. which system of linear inequalities can be used to find the possible ages of anna, a, and jamie, j?

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

Which value of c would make he following expression completely factored? 8x+cy