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Lelechka [254]
3 years ago
7

X2 + 2x - 3= 5

Mathematics
1 answer:
blsea [12.9K]3 years ago
7 0

Answer:

the error is the second step as it dies to correspond

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Find h(g(n)) when h(n) = 2n + 5<br> and g(n) = n +4
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Answer:

2n+13

Step-by-step explanation:

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Step-by-step explanation:

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$H_0: \mu_d = 0$

Alternative hypothesis : The preparation course is effective in improving the exam scores.

$H_a : \mu_d>0$  (after -  before)

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227.5
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