What is the greatest common factor of 4k , 18k4, and 12

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

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.)

Simply 8x squared + 5(7x squared- x) - 2x =