Answer:
A. 29 units
Step-by-step explanation:
The price changed by $42 over the course of seven weeks
Here are the 4 inequality signs.

---> a is less than b

---> a is less than or equal to b

---> a is greater than b

---> a is greater than or equal to b
For the second and fourth lines above, the two sides may or may not be equal.
For the first and third lines above, the two sides cannot be equal.
16,500
60 minutes in an hour / 12 minutes = 5
5 * 3,300 = 16,500
Answer:
x
−
y
+
4
=
8
7
x
+
y
=
03
x
+
4y
=
−
5
Step-by-step explanation: