Kayla is mowing her lawn. The lawn has an area of 4,840 square feet. She can mow about 60 square feet each minute. How many square feet does Kayla have left to mow after 8 minutes?

Np4=12np2 with clear explanation.

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.