Answer:
9.7 units
Step-by-step explanation:

Answer:
Step-by-step explanation:
a. no. 9 x 15 = 135, so if she sells more than 15 necklaces, she'll make a profit
b. 50n > 135 + 4.50n
A) (3,2),(2,1)<br><br>
B) (3,-2),(-2,1)<br><br>
C) (-3,2),(-2,-1)<br><br>
D) (-3,-2),(2,-1)
bija089 [108]
Answer:
d
Step-by-step explanation: