Geometry , only answer if your sure . the question is in the attached

Hundred and tens tables to make 430 in five different ways

Run a linear regression to determine an equation (y=mx+b y=mx+b)

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?