Can someone pls help im new to this

Name the most appropriate metric unit for each measurement like the mass of cow

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180