The first term of an arithmetic sequence is 8. The 7th term is 38. What is the common difference? common difference (d) = type your answer

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Select the quadratic that has root x = 8 and x = -5

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?