Answers edited by MAXIMILIAN C.

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• A rectangular room measures 12ft by 15ft. the entire room is to be covered with rectangular tiles that measures 5in by 4in. if the tiles are sold for &2.50 a dozen what will it cost to tile the room?
  
• What is x in #x^2018+1/x=x^2017+1# equal to?
  
• Is 193 a perfect square?
  
• Is there a way to search for unanswered questions of members from particular countries so that one might be able to expand on the number of different countries in which one helps students? And how to do so?
  
• How do I find the angle of AHC?
  
• Can alternate interior angles be supplementary?
  
• Simplify the rational expression. State any restrictions on the variable? Please check my answer/correct it
  
• How do you find the slope and y intercept to sketch #5x-2=0#?
  
• What are the important points to graph #y=sin 2x#?
  
• Help with precalc homework?!
  
• You have a pitcher that holds 39.3 oz of lemonade. If each glass holds 8.8 oz, how many glasses can you completely fill?
  
• How do you solve #12x=-88#?
  
• Simplify the rational expression. State any restrictions on the variable? Please check my answer and explain how I get to my answer. I know how to do the restrictions its the final answer that I'm confused about
  
• One side of a rectangle is 6 longer than the adjacent side. The area is 187. What are the dimensions?
  
• Given theta = 3pi/4 How does one calculate cos^2 theta, cos(-theta), and cos(2) theta?
  
• Given θ = 60∘, 0∘ < α < 360∘ and α ≠ θ, find α, such that:?
  
• A river boat travels from port A to port B, a distance of 15.0 km downstream, in 1 hour 40 minutes. The return journey takes 2 hours 30 minutes. Calculate: (a) the boat speed relative to the water? (b) the speed of the river?
  
• Could someone please help me solve this?
  
• If a rectangle measures 8 feet on the short side and 9.8 on the long side . what is the area of the rectangle in square feet?
  
• What are the odds and probability of rolling 5 dice, and all 5 dice are the same number?
  
• How do you find the domain and range for #y = 3 cos 4x#?