(1,3),(4,1),(2,0),(2,2),(3,4),(0,5) does this graph represent a function?

The triangles are similar. what is the value of x? show your work.

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60