Answer:
You dind't include the answer choices but it should look something like

16% porque all you have to do is multiply 40 by 4% 0.04
Answer:
115
idk how to explain this but u just use the protractor
Answer:
a: 300cm
b: 7m
c 450cm
d: 95 m
Step-by-step explanation:
if the given value is in meters multiply by 100
if the given value is in cm divide by 100