Which equation represents the graph of the linear function?

a. y = −2x+ 1

b. y = −2x − 1

c. y = 2x + 1

d. y = 2x − 1

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

The hockey team has been great! in 2008, they won 20% more games than in 2007 in 2009 they won 50% more games than in 2008 what was their overall percentage increase from 2007 through2008?