Anew park in the shape of a hexagon will have 6 sides of equal length. on a scale drawing, the coordinates of the vertices of the park are: (6.5,5), (18.5,0), (6.5,−5), (−6.5,−5), (−18.5,0), and (−6.5,5). how long is each side of the park?

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”?

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.