If i dont fail, i think it should be 35 inches
Answer:
option A
Step-by-step explanation:
given,
10% A grades 80% B grades 10% C grades
This year, managers with scores less than 35 received C's and those with scores above 425 received A's.
The mean has to be middle of two corresponding cutoff value

μ = 230
Cutoff Off C grade corresponds with the area of 0.10 is table A.
corresponding z- score according to Table A
Z = -1.28
now, standard deviation



σ = 152.3
Correct answer is option A
Answer:
5x+6
Step-by-step explanation:
Distribute then add like terms.
(6d + 5) - (2 - 3d)
Get rid of the parenthesis.
6d + 5 - 2 + 3d
Add like terms.
(6d + 3d) + (5 - 2)
Simplify.
9d + 3
~Hope I helped!~