Lydia is going to drive from her house to City A without stopping. Let DD represent Lydia's distance from City A tt hours after leaving her house. A graph of DD is shown below. Write an equation for DD then state the slope of the graph and determine its interpretation in the context of the problem.

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

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.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]