Triangle ABC has vertices A = (1, 5), B = (3, 2) and C = (4, 7). Triangle A'B'C' is formed when Triangle ABC is shifted left by 3 and down by 1. Which statement is true? Select all that apply.

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Twelve less than a number is at most 20

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.