What is the answer?
Help me

In a rectangle klmn, km = 6x + 16 and ln = 49. find the value of x

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?

Apply the distributive property to simplify the expression. −4(5x + 2)