The following table represents amount of vanadium-49 remaining in a sample rock. which type of function best models the given data?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8