Answers created by Stephanie C.

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• Prove that please?
  
• Given the equation `6=-s+77`, what is the value of `1+5(77-s)`?
  
• How do you combine like terms in `8y - 9- 6y - 3`?
  
• A record album is is of an inch thick. How many albums can be stacked to fit in a box 12 in. high?
  
• How do you solve `\frac { 21} { x } = - 3`?
  
• How do you solve `3r - 5= 2( 4r - 9)`?
  
• How do you simplify `2x - 5x + 11= 2- 3x + 9`?
  
• Peggy Sue decided to enter her famous chili at her local chili cooking contest. Normally, she needs five tomatoes to make enough chili for her family of seven famous recipe. How many tomatoes should she expect to use to make her for 100 people?
  
• How do you simplify the following: 3m+(-9m)?
  
• How do you solve `6x - 3= 5x - 5`?
  
• How much heat does it take to raise the temperature of 9.0 kg of wood from 12°C to 97*C?
  
• The atomic mass of fictitious element X is 51.70 amu. If element X consists of two isotopes that have mass numbers of 50 and 52, what is the approximate % natural abundance of each isotope?
  
• How do you simplify `2^2*2^3` and write it using only positive exponents?
  
• What event occurred in Tiananmen Square in 1989?
  
• Why did Stalin suspect that Truman was trying to bully him at the Potsdam Conference?