PLS HELP Find the equation of a parabola with vertex at the origin and focus (0, –32).

x2 = –32y
x2 = –128y
y2 = –128x
x2 = 128y

1. what is the measure of ∠abc? what is the measure of ∠abd?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Graph the equationy= x+3[tex]y = x + 3[/tex]