Which shows how the distributive propertycan be used to multiply 438 and 21? (4 x 21) (3 x 21) (8 x 21)

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

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?