What is the sum of 11 and k in algebraic expression !

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Enter the missing numbers in the boxes to complete the table of equivalent ratios.time (min) distance (km)? 36 9? 1512 ?