Please answer all of them and please look at the screenshots, I really need help.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

Aline passes through the point (9,-7) and has a slope of 4/3 write an equation in point-slope form for this line. first to answer correctly gets brainleist

Find a conversion factor between square centimeters and square meters. write it in three forms. square centimeters = 1 square meter