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3.) A rocket carrying fireworks is launched from a hill 80 feet above a lake. The
rocket will fall into the lake after exploding at its maximum height. The
rocket's height above the surface of the lake is represented by
h=- 16t2 +64t + 80. How many seconds after the rocket launched will it
hit the lake?
Part A: Define your terms:
a=
b =
C=
Part B: Set up the quadratic formula:
І
-OEVO2 – 4 (0)
20.
D) Focus
00

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

In a study of the relationship between socio-economic class and unethical behavior, 129 university of california undergraduates at berkeley were asked to identify themselves as having low or high social-class by comparing themselves to others with the most (least) money, most (least) education, and most (least) respected jobs. they were also presented with a jar of individually wrapped candies and informed that the candies were for children in a nearby laboratory, but that they could take some if they wanted. after completing some unrelated tasks, participants reported the number of candies they had taken. it was found that those who were identiď¬ed as upper-class took more candy than others. in this study, identify: (a) the cases, (b) the variables and their types, (c) the main research question, (d) identify the population of interest and the sample in this study, and (e) comment on whether or not the results of the study can be generalized to the population, and if the ď¬ndings of the study can be used to establish causal relationships.