Evaluate the expression. [3(15 + 4)^2 + 2(20 + 5)^2]^0

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Identify the number 127 as a rational or irrational. explain

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?