A class of 28 students had a mean score of 72 on a math test. After the teacher realized that one of the questions had an
alternative correct answer, he gave 4 points each to the 7
students who had given the alternative answer. What is the new
mean test score?
(Need real answers)

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here