Abusiness assistant must leave more than $50 in the supply account. there is $200 in the account. the assistant needs to order x boxes of pens that cost $10.50 each.
what is the maximum number of boxes of pens the business assistant can buy?

a 10

b 14

c 15

d 23

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

2x minus y equals 6, x plus y equals negative 3