1. In a biology experiment a number of cultures were grown in the laboratory. The numbers of bacteria, in millions, and their ages, in days, are given below. Age X (days) 2 3 4 5 6 7 8 No. of bacteria 34 106 135 181 192 231 268 300 Y(mil) 2. Below are the data of Mathematics and Physics scores of 5 students at Mabuhay High School. Compute for the value of r by completing the table on the right side Student Math Physics 1 55 66 2 93 89 3 89 94 4 60 52 5 90 84