PLSSS HELP I NEED THIS BEFORE CLASS ENDS

3. solve by graphing: y = 2x + 6 x + y = -3

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

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?