y= -1/5x-4
explanation:
the rise over run is -1/5
the y-intercept is -4
ONE
to buy more than one you would need at least 10 dollars
There are 4 faces on a triangular pyramid
so total surface area = 4 x area of each face = 4 x 66
= 264 sq mm
$20 sold / .50(each flowers) = 40 flowers
She sold 40 flowers for $20
She makes $6 on every $20
$20 - $6 = $14 (she paid $14 for 40 flowers)
Each flower she paid = $14 / 40 = 0.35 (35 cents)
Answer:
She paid 35 cents per flower
