Acalculus exam has a mean of µ = 73 and a standard deviation of σ = 4. trina's score on the exam was 79, giving her a z-score of +1.50. the teacher standardized the exam distribution to a new mean of µ = 70 and standard deviation of σ = 5. what is trina's z-score for the standardized distribution of the calculus exam?

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.