Answer:
B. 1
Step-by-step explanation:
The slope is calculated by taking the difference in the y-coordinates of two points and dividing that by the difference in the x-coordinates of those two points.
Here, we have (6, -12) and (15, -3).
The difference in the y-coordinates is:
15 - 6 = 9
The difference in the x-coordinates is:
-3 - (-12) = -3 + 12 = 9
Divide 9 by 9:
9/9 = 1
The slope is thus 1, and the answer is B.
Step-by-step explanation:
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Answer: 
Step-by-step explanation:
Given
Neville place three weights in the sequence

The total weight of the three weights is

Thus, herbs weigh 
Substitute the numbers for the variables
4+(-2)(4/5)
easier if you turn 4/5 into a decimal
4+(-2)(0.8)
multiply -2 and 0.8
4+(-1.6)
add
4-1.6
answer is 2.4
I'm assuming you want to work out the monthly payment. So:-
12x + 25 = 193 where x = monthly payment
12x = 193 - 25 = 168
x = 168/12
= $14 Answer