Final answer:
In the given expressions, 15y and x and u are coefficients, while 48 and 8.5 are constants.
Step-by-step explanation:
In the given expressions:
- a. 15y: Coefficient (variable multiplied by constant)
- b. 48: Constant (no variable present)
- c. 8.5: Constant (no variable present)
- d. x: Coefficient (variable multiplied by constant)
- e. u: Coefficient (variable multiplied by constant)