ava works at a flower shop and makes 7.50 an hr plus a fixed bonus for every bouquet made. a= total b=bonus h=hours n= number of bouquets

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

I’m really confused and need your assist me with this question i’ve never been taught

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?