Which system of equations corresponds to this matrix multiplication operation? 5 2 11 7 -5 -5 3 1. -- (167 = 3 12) A. 5x + 2x + x = 16; 7y - 5y + 2y = 3; -5z + 3z + z = 12 B. 5x + 2y + z = 16; 7x - 5y + 2z = 3; -5x + 3y + z = 12 C. 5x + 7y + -5z = 16; 2x - 5y + 3z= 3; x + 2y + z = 12 D. 5x + 7y + -5z = 12; 2x - 5y + 3z= 3; x + 2y + z = 16​

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards

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

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?