What is 81 rounded to the nearest tenth

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Asquare parking lot has 6,400 square meters what is the length in meters

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.