It's the mean of (2.57 x 10) minus 4
The mean is the average.
Answer:
D. -3.3
Step-by-step explanation:
=> 2.8x = -9.24
=> x = -9.24/2.8
=> x = -3.3
Answer:

Step-by-step explanation:
Check the attached photo for the details
0.4 is 4/10 in decimal form.