The table shows data from local day-care centers, representing the number of children in attendance (x) and daily food costs in dollars.
Which regression equation correctly models the data?

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective