Find the midpoint of diagonal bd. figure abcd is shown. a is at negative 3, 2. b is at 0, 6. c is at 6, 6. d is at 3, 2.

What is the measure of x? 43° 86° 172° 344°

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

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”?