1. use the sequence to answer the questions. 2.5, 6, 9.5, 13, 16.5, 20,… (a) what is the common difference? (b) what is the recursive rule for the sequence? give me the certified answer.

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

43lbs of tomatos cost $387. how much would 41lbs cost

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years