Which expresion is the product of two factors and is equevalent to -4x - 24?

A. -4(x - 6)
B. -4x - 3 - 21
C. -4(x + 6)
D. (6x - 3) - (10x - 21)

Please anwer ;(

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?