8. find the vertex of the parabola formed by the following quadratic function: y = -3x2 + 12x - 7
a. (-2,-43)
b. (2, 5)
c. (-1, -22)
d. (1, 2)

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

2.5 milligrams is equivalent to how many grams

20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)