Answer:
One solution
Step-by-step explanation:
Answer:
I think B
Step-by-step explanation:
the answer I got is 5.184
Answer:
D
Step-by-step explanation:
You can see from the table that joules out = 4x moles in
for 32 moles 32 * 4 = 128 joules
I hope this helps you
2x+8= -7-3x
5x= -15
x= -3
<em>Correct Question:</em>
<em>Type the correct answer in the box. Use numerals instead of words. Consider this expression. </em>
<em> </em><em> When a = 2 and b = -4, the value of the expression is</em>
Answer:

Step-by-step explanation:
Given


Required
Determine
To solve this, we simply substitute the values of a in the given expression


Express 2² as 4

Express square root of 4 as 2


So, we have


<em>Hence, the result of the expression is -1</em>