Which effects did the growth of railroads have on businesses and society? initiated standardized time and consolidation of materials decreased businesses through overuse of natural resources reduced numbers of businesses and increased transportation costs reduced population and consumption along the railway lines

Find the indicated derivative and simplify. \[ \frac{d y}{d t} \text { for } y=\frac{8 t^{5} \ln t}{e^{2}} \]

- بـ أن: \( B=\frac{221}{11} \).

What is the absolute value of \( 5 \)?

9) \( \frac{5 x+2}{3 x^{2}+4 x}-4 \)

12 A 60 kg ice-skater, travelling initially at \( 3.0 \mathrm{~m} / \mathrm{s} \), glides across a horizontal icy surface. The skater brakes and comes to rest after 5.0 m . The work done against the braking force is the change in the kinetic energy of the skater. What is the braking force? 18 N A 27 N