Answer:
its 18
Step-by-step explanation:
b/c 6 times 3 is 18
If you add the standard deviation to the average, it is 14.84. Because Marcus's score was lower than that, he will not receive a certificate.
I think this should be right for the reason and the calculation.
−10
fish left = 10
Therefore, the additive inverse of the number of fish left is −10. The sum of a number and its additive inverse is 0.
10 + (−10) = 0 A is the answer