Convert the decimal number 231 into its binary equivalent. select the correct answer from the list below.

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”?

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Need showing work for this problem 56.25 ×25.80