Evaluate a+b/2,if we know a=3 and b =6

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

Which system of linear inequalities is graphed? can somebody pleasssse

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards