Ahmad's best test score for Chemistry has a z-score of 0.5 as compared to all students in his class. Which statement best interprets his z-score? A. Ahmad's test score is 0.5 standard deviations below the mean for all students taking the same test.

B. Ahmad's test score is 0.5 points lower than all students taking the same test.

C. Ahmad's test score is 0.5 standard deviations above the mean for all students taking the same test.

D. Ahmad's test score is 0,5 points higher than all students taking the same test.

Which situation could best be represented by this linear equation? 24x + 38y = 520 > if x represents the number of bracelets and y represents the number of rings, there were 24 more bracelets sold than rings. the total sales were $520. if x represents the number of bracelets and y represents the number of rings, there were 38 more bracelets sold than rings. the total sales were $520. if x represents the number of bracelets sold at $24 each and y represents the number of rings sold at $38 each, the total sales were $520 if x represents the number of bracelets and y represents the number of rings, there were 520 bracelets and rings sold. bracelets were $24, and rings were $38. e

Hdtv screens usually have a width-to -height ratio of 16: 9. which screen dimensions are in the same proportion?

Number patterns 54, 18, 6, 2, 2/3, what are the next 2 terms?