The balance of a shop owner’s bank account is $6,235.50. If the shop owner earns $430.30 on Monday, spends $3,902.50 on Tuesday, and spends $2,945.80 on Wednesday, what is the new balance of the bank account?

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?