Lava coming from the eruption of a volcano follows a parabolic path. The height h in feet of a piece of lava
t seconds after it is ejected from the volcano is given by
h(t) = -12 + 161 +936. After how many seconds does the
lava reach its maximum height of 1000 feet?

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?