What multiplies to -300 and adds to 20

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2