After finishing her dental assisting program at a local technical college, Alex decided to transfer to a university to complete a dental hygiene program. Her first paycheck as a
dental hygienist is $3,200 before taxes. She works 40 hours per week, and worked 80
hours on her first paycheck. How much does Alex make per hour in her new job?

Which statements are true? see picture

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.