Which of the following equations has a graph that crosses the y-axis at a point lower than y=2x^2-1

a. y=-3x^2+1
b. y=3x^2-3
c. y=-3^2-1
d. y=-3^2+3

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

Ihave trouble finding the nth term of a linear sequence

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is