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

A. y=-3x^2+3

B. y=-3x^2+1

C. y=3x^2-3

D. y=-3x^2-1

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

Which is the focus of a parabola with equation y2=4x

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )