Multiply and simplifly this is fractions 6 1\4 x 4\5

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

The function models the number of accidents per 50 million miles driven as a function

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?