The answer should be C
54*30/100= 16.2
54-16.2 = 37.80
Answer:

Remove backets

Group and Evaluate like terms





Answer:
no
Step-by-step explanation:
no. substitute -1 for x and -2 for y.
the first one is -1 - 10
this equals -11 not 3
Answer:
real numbers
Step-by-step explanation: