Answer:
C and D
Step-by-step explanation:
Additions have distributive property so the parentheses will not change the answer
Answer:
add 44 and 21 and you will get the answer
D.The results could be flawed due to non-response of patients.
Just write down any random equation and you will be correct.
Answer:
hello :
the perimeter is : p = 2(w + l )
p = 2(4.5+6) = 21 millim
