Answer:
(a) Loss from selling 15 necklaces
(b) 
Step-by-step explanation:
<em>The question has missing details. (See the comment section for missing details)</em>
Given

Solving (a): Will she make a profit from 15 necklaces
To do this, we substitute 15 for b in 


The inequality is not true.
<em>Hence, she'll make a loss from selling 15 necklaces</em>
Solving (b): An expression that represents profit.
To do this, we solve for b in 
Collect Like Terms


Make b the subject


<em>This implies that to make a profit, she must sell more than 18 necklaces.</em>
Answer:
yeah ☺️
Step-by-step explanation:
is it helpful or not,?
These 2 angles are vertical angles.
Vertical angles are equal.
Set up an equation where 2 angles are equal to each other.
Solve for 'x'.
6x+238 = 3x + 178
3x = 178 - 238 = -60
x = -60/3
x = -20
Answer:
$1.80 per pound.
Step-by-step explanation:
You take 18/10 =1.80.
Hope that helps!
3 inch
12/4 is 3 so in the drawing, the diving board is 3 inch
Hope this helped :)