Simplify the following equation 2x-31=3(x+2)

a.37
b.-37
c.5
d.37/5

solve the following equation 5x-102=13
a.23
b.-23
c.-17.8
d.17.8

any would be amazing!
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Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.