(9x+5) - (6x-8) = 9x+5 - 6x+8 = (9x-6x) + (5+8) = 3x+13
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(4x+10) - (-3x+5) = 4x+10 + 3x-5 = (4x+3x) + (10-5) = 7x+5
Answer:

Step-by-step explanation:
The solution is in the picture
At line 7, the denominator of the expression contains irrational number (which is surd 10). This shows that the expression is not simplified
At line 8 of my solution, multiply both numerator and denominator by the conjugate of

which is

in order to eliminate irrational number at denominator
More info of conjugate
The conjugate of a+b is a-b,
Why conjugate? Try it yourself!
Hint: (a+b)(a-b) = a^2 - b^2
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Answer:
The slope is -1/2
Step-by-step explanation:
Think of this equation y = m x + b. Your m should be the slope in which it is -1/2 as your slope answer.
Answer:
D (No, because there are values in the interval that are greater than 0.85.)
Step-by-step explanation:
edge2021 :)