Kristen and her friends are planning a day of adventure. They are trying to decide what they should do when they get there based on the admission and parking costs. 1. The cost for Six Flags Great Adventure is shown in the table below: Number of People, x 1 4 5 7
Total Cost, y $12 $33 $40 $54

Write an equation to show the total cost, y, for a day at Six Flags for x people. Equation:

Is this equation a function? Why or why not?

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9