An algebra I student solved the following inequality. if their work is correct draw a smiley face. if not, circle the error and explain your reasoning

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

What is the absolute value of the complex number -4-sqrt2i

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin