Answer:
Model 1 represents 85% shaded area.
Step-by-step explanation:
Here, each model consists of equal sized rectangles.
Please refer to attached figure to know the model number.
Model 2 (on top right of question figure) contains a total of 20 such rectangles out of which 13 are shaded. As per formula of percentage:

Model 3 (on bottom left of question figure) contains a total of 16 such rectangles out of which 10 are shaded. As per formula of percentage:

Model 4 (on bottom right of question figure) contains a total of 16 such rectangles out of which 13 are shaded. As per formula of percentage:

Model 1 (on top left of question figure) contains a total of 20 such rectangles out of which 17 are shaded. As per formula of percentage:

Hence, model 1 is the correct answer.
Answer:
8
Step-by-step explanation:
Answer:9
Step-by-step explanation:
8 * 9 = 72
8, 16, 24, 32, 40, 48, 56, 64, 72
1, 2, 3, 4, 5, 6, 7, 8, 9
Answer:
The slope of a line would be your m in the equation. So, when you have your y=mx+b you would have the slop
Answer:
2) 8, 12, -2, 6
3) 8, 11, -3.5, 6.5
Step-by-step explanation: