Two linear equations are shown what is the solution to the system of equations? (7,4) • (7) 1/3x + 2 (9.7) 4-3 .1 dy y = 4/3x - 5 mark this and retum save and exit next submit

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.