Bart and Sam played a game in which each player earns or loses points in each turn. A player's total score after two turns is the sum of his points earned or lost. The player with the greater score after two turns wins. Bart earned 23 points and lost 60 points. Sam earned 55 points and lost 85 points. Which person won the game? Explain.

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2