If lines ab and cd are parallel, which of the following statements are true?
check all that apply.

a. ab and cd are skew lines
b. ab and cd are perpendicular
c. ab and cd intersect at a single point
d. ab ll cd
e. ab is perpendicular to cd
f. ab and cd are coplanar

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

How is this equation completed? i cannot find any examples in the book.

Biggest exam of the which of the following are polynomial functions?