AC is parallel to MN then triangle ABC and triangle MBN are similar and the ratio of the corresponding sides are equal...
For every minute you exercise you burn 8.5 calories. It's a linear pattern, so the graph would be a line.
The more minutes you exercise, the more calories you burn, so the graph would rise from left to right.
The number of minutes and the number of calories can't be negative numbers, so the graph would be only in the first quadrant.
The larger the number of minutes, the more calories you would burn.
The answer is D.
1. option 1
2. option 1
3. option 4
4. option 1
5. option c
explanation is in picture attached.
excuse me.for my bad handwriting
The answer would be 1,500 because 68 is higher than 50 so it will round up to 1,500.