A parabola passes through the points (-2, 1), (2, -7), and (4,-5). What is the value of, a, the coefficient of x^2? (Convert the answer to a decimal, if necessary.)

Is it greater than or less than7*3_9*2

Describe how to translate the graph of y=/x to obtain the graph of y=/x+5

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .