Step-by-step explanation:
S + L = 6 => L= 6-S
8S + 10L = 56
8S + 10(6-S) = 56
8S +60 -10S = 56
-2S = 56-60
-2S = -4
S = -4/-2
S = 2
=> S = small notebook = 2
L = large notebook = 6-2 = 4
Answer:

Step-by-step explanation:
It is given that triangle ACB is the preimage and triangle DFE is the image.
We need to find the scale factor of the dilation.
In the given triangles, side AC and DF are corresponding sides.
Therefore, the scale factor of the dilation is
.
Answer:
A
Step-by-step explanation:
Image result for what is always true about a line that slants downward from left to right
A line that slants down from left to right has a negative slope. Horizontal and vertical lines also have a slope. A horizontal line has a change in x, but it does not have a change in y. The slope of a horizontal line is 0.
Answer:
9 units because eqidistance from center