Answers edited by Teun

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• How do you evaluate `-12/(abs(-1)+1`?
  
• How do you evaluate `(-8)(3)(-9`)?
  
• A store owner bought a painting for $120. She is selling it for $190. What is the percent markup on the painting?
  
• How do you simplify `[78\div 13] ^ { 2} - 8\cdot 3`?
  
• Of the 6.25 billion people in the world, 310 million live in North America. What percent of the world's population lives in North America?
  
• How do you evaluate `12+ 4^ { 2} \times 3- 9`?
  
• How do you simplify `5- -8`?
  
• How do you evaluate `3\cdot ( - 5) - ( ( - 2) ^ { 3} - 2) ^ { 2}`?
  
• How do you evaluate `4.246\times 4.246`?
  
• What is the greatest common factor of both 9 and 12?
  
• Which of these numbers is a prime number 1, 11, 21, 51?
  
• How do you evaluate `-13- 5`?
  
• Paula bought a ski jacket on sale for $6 less than half its original price She paid $88 for the jacket. What was the original price?
  
• How do you simplify `15.98+26.37`?
  
• For what values of x is the product (x+4)(x+ 6) positive?
  
• How do you simplify `(root4(5))/(4root4(27))`?
  
• How do you evaluate `-23+30`?
  
• Gabby has 5 weeks to read a novel. She reads 15 pages of a novel in 3/7 week. At this rate, will Gabby finish the 200-page book in time?
  
• How do you divide `\frac { 7.34\times 10^ { - 2} } { 7\times 10^ { 1} }`?
  
• How do you subtract `-7- 4`?
  
• How so you multiply `\frac { 3} { 8} \times \frac { 16} { 21}`?
  
• What is the mass of one atom of magnesium in grams?
  
• How do you evaluate `\frac{-50}{-5}`?
  
• How do you solve `3x - 5= 3( x - 1) + 7`?
  
• How do you evaluate `3.3\div 3`?