A glass company is repairing a window in the shape of an equilateral triangle. If the length of one side of the triangle is 9 inches and the company charges $20 per square inch, the cost of the replacement window will be $___.

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Which expression is equivalent to -5(3x - 6/7)

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?