Answer:
1. 0
4. 6
Step-by-step explanation:
1. 2 x -1 + 1 ×2 = -2 + 2 = 0
2. 2x - 4 x 3 = 0
or 2x - 12 = 0
or 2x = 12
or x = 6
Answer:6
Step-by-step explanation: i say 6 is because fractions are not rational answers
Answer:
and 
Step-by-step explanation:
Given


From the first statement, we have that:

Convert mm to cm


Divide both sides by 0.1

From the second statement, we have that:

Substitute 0.2 + t + 0.5h for Cost

Collect Like Terms:


So, the inequalities are:
and 
19 is your answer
Hope this helps!