If the pattern below follows the rule "Starting with nine, every consecutive line has a number one less than the previous line," how many marbles must be in
the seventh line?
A. 3
O O O
B. 5
O C. 4
D. Need more information

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?