Please answer both

5) Set up a model for the taxes paid by a taxpayer whose exemptions are $2,500 and whose A income after exemptions are deducted is taxed at a flat rate of 7.5%. 191to Aned A (At What does the taxpayer pay on gross income of $48,000? sonsled entine debom isenil-Galwebsiq s as Qu nousulle airli fee (s 16) For the data below, the least-squares regression line is y = 2.87x+6.72 and the correlation coefficient is R2=0.956. a) Find the SSE for the line and state what the value R2 signify. b) Use the least-squares regression line to estimate a value for y when x=12. X 0 5 6 10 K 7 18 27 35