What is the y-coordinate?
y = 3x + 7
y = -4x + 21

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

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