Answer:
Step-by-step explanation:
9x is the product of x and 9.This product and 8 more have as result 6
9x + 8 =6
9x=-2
x= (-2/9)
9*(-2/9) +8 =6
(-18/9) +8 = 6
(-2)+8 =6
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<u><em>Part 1:</em></u><u>Before we begin, you need to remember the following rule:</u>

<u>The given expression is:</u>

Since the base is the same in both numerator and denominator, we can apply the above rule. <u>This means that:</u>

= 12¹⁻³ = 12⁻²
<u><em>Part 2:</em></u><u>Before we begin, you need to remember the following rule:</u>
x⁻ᵃ =

Now, <u>from part 1</u>, we simplified the expression into 12⁻²
Since the power is negative, we can apply the above rule.
<u>This means that:</u>
12⁻² =

Hope this helps :)
Answer:
35
Step-by-step explanation:
To find his total score in the quiz, we need to add all the scores he had in successive rounds.
This gives a value of; 25 + (-5) + (-10) + 15 + 10 = 25-5-10+15+10 = 25 + 10 = 35
Thus his total score at the end is 35
Answer:
F(-1/4)=4x-18
F(-1/4) = 4 (-1/4) - 18
F(-1/4) = -19
Step-by-step explanation:
You would have to replace the given numbers and just do the math
Multiplication not to sure hope this helps :)