Can you solve for x and type the correct code? Please remember to type in ALL CAPS with no spaces.
Puzzle #1
A:
1: Solve for x:
answer choices
B:
C:
x=.39 x = 63 x = 43
D:
2 E: F:
I
X=
X:
ū
x=19
H:
3
I:
X:
x = 27
8
X = I. II
2: Solve for x:
x + 12 = 31
1
.
2
3
4
3: Solve for :
Type the 4-
letter code into
the answer
box. All CAPS
no spaces.
X.34 = .73
4: Solve for x:
X - 18 = 45

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

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.

Change negative exponents to positive. then solve. round to four decimal places