8. skin fold calipers are the most expensive of all measurement devices.
true
false

9. the body mass index cannot determine if your weight comes from fat or muscle.
true
false

10. the body mass index is an excellent resource for determining body fat percentage.
true
false

7.02

This statement is false, because it's not the most expensive of all measurement devices. It costs around $14.00, which makes it really cheap.

This is true. The body mass index (BMI) is a ration between weight and height, it doesn't involve fat percentage as a variable to be calculated. So, body mass index cannot differentiate muscles from fat, because it uses weight as a whole.

This statement is false, basically for the same reason than the last statement. The body mass index doesn't consider fat and muscle divided, it's just the ratio between weight and height, which means that you cannot know any percentage of fat. BMI is only used, about your health condition, if you are overweight or obese, for example.

answer: c more big rigs and commercial vehicles

explanation: because big rigs drive far to deliver products overnight