Romeo makes $12.00 an hour for his first hour of work, $17.00 his second hour, $22.00 his third hour and so on. how much money in total will he have earned after his 50th hour of work?

Can someone me with these two circle theorem questions asap?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.