On a standardized test with normal distributionThe mean is 75 and the standard deviation is I 1200 students took the test, approximately how many students would be expected to score between 69 and

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)

$30.32

step-by-step explanation:

65.00*.12=2.80

65.00-2.80=57.20

57.20*1.06=60.632

60.632/2=30.316

5+2x=a

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or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!