Answer:
-2
Step-by-step explanation:
Using the slope theorem:

The first is yes and the second is no
Answer:
B
Step-by-step explanation:
Answer: Infinitely many solutions.
Step-by-step explanation:

Use
for y in 

Infinitely many solutions.
Answer:
The unit price per ounce is $0.058
Step-by-step explanation:
The unit price per ounce is how much each ounce costs.
This can be solved by a rule of three.
64 ounces cost $3.69. How much does an ounce cost?
64 ounces - 3.69
1 ounce - x



The unit price per ounce is $0.058