Answer:
C.
Step-by-step explanation:
To find the area of a rectangle, times the length and the breadth together. So, it would be 16×5=80. option C is 80.
Answer:
D.
Each line has the 3 dashes meaning equivalent

the decimals are commas and the double decimal is a real decimal
Answer:
7.2
Step-by-step explanation:
first divide -2 by 5= -2/5
multiply 18 by -2/5=-36/5
divide 36 by 5=7.2
9%= 9/100
9/10= 90%
.9= 90%
90/10= other
.9%= other
.09= 9/100