Given the expression below, what will the sign of the product be? Justify your answer. 4x (9) * 2.78 x (13) * (-}) *(-6.2) * (- 2873) * (31)

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true