Answer:
15cm
Step-by-step explanation:
a^2+b^2=c^2
12^2+9^2=c^2
144+81=c^2
c^2=225
c=15
Im not sure but maybe 1 adult and one child but im not sure if this is a trick question
Answer: 6
Step-by-step explanation:
Answer:
32 is 40% of 80.
Step-by-step explanation:
80×4÷10=320÷10=32