Y=x^2-8x+10
with the maximum vertex.

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?