If four bags of corn can feed a herd of cows for six days. how many bags of corn will feed the same herd for 9 days

Which of the following is an equation of a line parallel to the equation y=4x+1?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?