Identify a common factor for the set of integers. {21, 91, 154, 217, 315} a) 3 b) 7 c) 9 d) 11

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

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

Use the squared identities to simplify sin^2x cos^2x