Write equation for line 2 in a slope intercept form

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?