Nadia is a stockbroker. She earns 12% commission each week. Last week, she sold $7,100 worth of stocks. How much did she make last week in commission? If she averages that same amount each week, how much did she make in commission in 2011?

3.4a=57.8 what is the the value of a

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?

A+b= 17, ab=70, find the value of |a-b|