3+10i=4i-18
3+6i=-18
6i=-21
-7/2
-3 1/2
Answer:B
Step-by-step explanation:
if you do A then you are losing 50% of your profit on for items
if you do see then you are giving 40% discount on that item which means you would only get 60% of the one item.
<u><em>Therefore your best bet is B because you still get the price of two items</em></u>

The value of x is 3
Step-by-step explanation:

The value of x

4 : 9 = (5x + 13) : 63

we can write this as

Now we will cross multiply the values

Answer:
Sets D, E
Step-by-step explanation:
Sets D and E both have repeated x-values , thus making them a relation not a function.
Answer:
84 tickets
Step-by-step explanation:
[189÷(4+5)]×4
=189÷9
=21×4
= 84 tickets