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-1. $2^{x}$ = 4
$2^{x}$ = -3
2x = 4 x [ 4 - (1,9...-1 )]:3
According to ACT, results found that students had a mean reading score of 21.4 and standard deviation of 6. Find the probability t...
[ z = \frac{(X - \mu)}{\sigma} ]
$$\int sec(x) dx$$
1285 divided by 18
x=y'+ 2xy = 1n(x), y (1) = 2