Answer:
M = -7
Step-by-step explanation:
It makes sense if you replace it in for M! Hope this helps and have a great day!
1 whole, 1 tenth, 10 ones = 12 tenths
(0.4n)(16n) = (0.4)(16)(n)(n) = 6.4n²
Answer: 6.4n²
21 - 5 = J
J + 5 = 21
J = 16
Hope this helps!