recommended.) The following table shows the length, In centimeters, of the humerus and the total wingspan, In centimeters, of several pterosaurs, which are extinct flying reptiles. (A graphing calculator Is Pterosaur Data Humerus, x Wingspan, y Humerus, x Wingspan, y 24 590 20 490 32 750 27 560 22 440 15 300 17 360 15 310 13 270 9 250 4.4 67 4.4 54 3.2 52 2.9 51 1.5 24 (a) Find the equation of the least-squares regression line for the data. (Where x is the independent variable.) Round constants to the nearest hundredth. X (b) Use the equation from part (a) to determine, to the nearest centimeter, the projected wingspan of a pterosaur if its humerus is 55 centimeters. cm 1 2 10:18