Answer:
a.1
b. 17
Step-by-step explanation:
So the | | around an equation makes it an absolute value which can be defined as the "distance from zero" or in other words, if a value is positive, it stays positive, and if a value is negative, it becomes positive.
|-8 + 9| = |1| = 1
|-8| + 9 = 8 + 9 = 17
Answer:
The answer is 45 liters = $1890
Step-by-step explanation:
As 1 liter of helium = $42
So multiply 45 liters with $42
Equals $ 1890 for 45 liters of heluim
Answer:
$25
Step-by-step explanation:
37.50-12.50=$25.00
