R U SMARTER THAN IN 2k15?

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Across
  1. 5. "Brick Lane" author (second name only)
  2. 6. Name of building hosting live music night
  3. 8. School of economic thought that argues that government intervention can stabilise the economy
  4. 9. Solve for x:2*sqrt(3x+71) = 14 (two words)
  5. 10. Co-author of "The Communist Manifesto"
Down
  1. 1. Average number of births per woman needed for a population to replace itself, accounting for deaths and infertility (two words)
  2. 2. Powerhouse of a eukaryotic cell
  3. 3. Strong chemical link where two atoms share one or more pairs of electrons
  4. 4. Archduke Franz Ferdinand murder location
  5. 7. Stored energy an object has due to its position, configuration, or state, representing the capacity to do work