Solve these problems ! (minimum value, vertex, axis of symmetry) f(x)=-3x^2+12x-10 g(x)=x^2-2x+1 f(x)=9x^2-3 g(x)=-0.5x^-x-10 points for all solved

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Need solving this second acceleration problem.

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?