Answer:
1. $106.20
2. $17.73
3. $372.59
4. $57
Step-by-step explanation:
1. Addition 97.95+8.25=106.20
2 multiplication. 1.97x9=17.73
3. Subtraction 447.59-75.00=372.59
4. Division. 285/5=57
Area of the Velocity-Time graph gives the displacement of the motion .
2,5 maybe
80-4(2)=72; 80-4(x) if he got x wrong.
D