A/ 9xy (x 2 y– 4xy + 7y) b/ 7xy(x 2 y + xy – xy 2 )
c/ 3x(2x – 5) + 5x(9x + 7)
d/ 6x(x 2 – 7x – 5) – 5x (x – 4)

Asap for seven months an ice creams vendor collects data showing the number of cones sold a day (c) and the degrees above 70 degrees f the vendor finds that there is a positive linear association between c and t that is the best modeled by this equation c=3.7t+98 which statement is true? the model predicts that the average number of cones sold in a day is 3.7 the model predicts that the average number of cones sold i a day is 98 a model predicts that for each additional degree that the high temperature is above 70 degres f the total of number of cones sold increases by 3.7 the model predicts for each additional degree that the high temperature is above 70 degrees f the total number of cones sold increasingly by 98

How many $20 bills do you need to have to make $280

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.