Answer: B
<u>Step-by-step explanation:</u>
-10x² + 12x - 9 = 0
a=-10, b=12, c=-9
x = 
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Answer:
a = 18
Step-by-step explanation:
36 / 2 = 18
18 + 18 =36
Answer:
7x + 7
Step-by-step explanation:
7x + 7
5x + 2x = 7x
7x + 7
Answer:
5,000 + 800 + 20 + 9
Step-by-step explanation:
The definition of expanded form is to "write the value of each digit then add them together to find the sum." - study.com
That is exactly what we did above.
If we write it going up and down like below, we can pull the individual values:
5 000
8 00
2 0
9
I hope this helps!
Answer:
yeb it is
Step-by-step explanation: