Answers created by Richard

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• What is #5.8 -: 1.2#?
  
• How do you convert 45,700 into scientific form?
  
• What is the slope of #11=-123y+37x#?
  
• How do you find exact value of #tan (pi/ 4)#?
  
• How do you factor #x^4-8x^2+16#?
  
• What is the evidence that Earth has changed a lot?
  
• The vertex of a parabola is (3,2). A second point on the parabola is (1,7). Which point is also on the parabola?
  
• A triangle has an area of 30 cm². The base and height are scaled by a factor of 4. What is the area of the resulting triangle?
  
• Two similar solids have a scale factor or 6:7 . What is ratio of their volumes, expressed in lowest terms?
  
• How do you simplify #Cos theta/(1 + sin theta) + tan theta#?
  
• Differentiate with respect to x 1+1/x² ?
  
• During the first half of the year, Beth sold an average of 872 stamps each week. If she continues at this rate, how many stamps will she sell in the next 26 weeks?
  
• A rectangle has a perimeter of 48 ft. The length and width are scaled by a factor 1.5. What is the perimeter of the resulting rectangle?
  
• ABCDE ~ GHJDF. Complete the statements?
  
• The hour hand of a clock moves from 11 to 4, how many degrees does it move?
  
• How do you express #(sqrt3+sqrt5)(sqrt3+sqrt5)# in simplest radical form?
  
• You earn $7.80 an hour working as a dog sitter. You work 12.5 hours during the weekend. How much money do you make?
  
• If I have $500 in my account after 4 years of investing at 2.5% per year. how much money did I start with?
  
• What is 44,893 rounded to nearest ten thousand?
  
• What is 275,856 rounded to nearest hundred thousand?
  
• How do you write the standard form of the equation of the circle with center (2, 3) and radius 4?
  
• How do you solve #12r - 18= 13r+18#?
  
• How do you solve #4^(2x-5)=32#?
  
• How do you simplify #(1-2i)/(3-4i)#?
  
• How do you rationalize the denominator and simplify #(5sqrt6)/sqrt10#?