Factor 10h + 30+ 50j to identify the equivalent expression

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

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

What is 10+10+20 about the origin the square root of a triangle.