Answer: 40
Step-by-step explanation: 4 x 10 = 40
Answer:

Step-by-step explanation:
just replace the x by the number given, it's simple calculation
Answer:
2.5 meters each week.
Step-by-step explanation:
Plug in 6 weeks for <em>t </em>and your equation would be s = -2.5(6) + 4. After solving you would get 2.5 meters.
Answer: 13/4
Step-by-step explanation:
3rd one