Answer:
8/11
Step-by-step explanation:
There are 12 + 20 = 32 nurses and 32 + 12 = 44 staff in all. The answer is 32 / 44 = 8 / 11.
90
9 x (3)2 + 9 first do the parenthesis
9 x 9 + 9 I am assuming the 2 was an exponent
81+9
42 more sales in December
81°
Please refer to the attachment(s) for explanations
the quotient is keeping batman alive