(10 points asap) draco's test scores on five social studies test are 86,93,92,80, and 94. what is his mean test score? what is the mean absolute deviation? what does the mean absolute deviation of his test scores measure?

Write the fraction or mixed number and the decimal shown by the model

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?