12. A rock is tossed from a platform and follows a parabolic path through the air. The height of the rock in metres is given by
h(t) = -512 + 12t + 14, where t is measured in seconds.
a) How high is the rock off the ground when it is thrown?
b) How long is the rock in the air?
c) For what times is the height of the rock greater than 17 m?
d) How long is the rock above a height of 17 m?

answer: the two figures are congruent.

step-by-step explanation: they're congruent because figure efgh is reflected across the x and y axis but it was also rotated.

hope it !

black/brown

step-by-step explanation:

well, you see here, jamal was born to 2 parents, his mother who he lives with and his father who left at a young age and who happens to be younger than him. he stole cookies because he has to steal food due to the fact that he spends his government poverty checks on pot and women.

a

step-by-step explanation:

jjddbdhid r

47 - 90 = 43

43 - 180 = x

x = 137