PL HELP The radius is 16 cm. Calculate the circumference (round to the 2 decimal places). Use 22/7 for Pi​

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

It says factor each expression 49x-28?

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.