Y=2/3(x-5)^2
y=1/2(x-5)^2
y=3/4(x-5)^2
y=-4(x-5)^2
for the quadratic equations, show there which statement is true?
a.) the graph open upward
b.) the graph open downward
c.) the graph is symmetric about the y-axis
d.) the graphs are symmetric about the line x=5

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Muscles, a membership-only gym is hoping to open a new branch in a small city in pennsylvania that currently has no fitness centers. according to their research approximately 12,600 residents live within driving distance of the gym. muscles sends out surveys to a sample of 300 randomly selected residents in this area (all of who respond) and finds that 40 residents say they would visit a gym if one was located in their area. based on the past survey research, muscles estimates that approximately 30% of these respondents would actually join the gym if they opened one in the area. based on this information and the results of the sample survey, about how many residents should muscles expect to join its new branch? a) 134 b) 504 c) 1,680 d) 3,780

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

The measure of angle 0 is 600 degrees