Part A The graph of which quadratic function has roots of 7 and 3 and passes through (2, 10)?

Multiple choice question.

A)
f(x)=x2+10x+21

B)
f(x)=x2 – 10x+21

C)
f(x)=2x2 – 20x+42

D)
f(x)=2x2+20x – 42

Part B
Select the correct choices to complete the sentence.
The graph of the function has a , 1 of 1.
minimum
maximum

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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.