Az-score of +1.6 represents a value which is how many standard deviations above the mean? a0.6 b-0.6 c1.6 d-1.6

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table