Hard problems that equal 1

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How to find the primeter of a quadrilateral

Will the first digit of the quotient of 2589 divided by 4 be in the hundreds or thousands place? Explain how you can decide without finding the quotient.

Stephen king wants to know what 7% of 10 is

The ratio of Gary's money to Dorothy's is 4:5. If Gary has $28, how much money does dorothy have? Must be answered using units.

8 penny is 0.061 inch thick. What is the value of the 6 in thickness of a penny? Somebody tell me the right answer

tina and jim work at a different car wash. tina is paid $37 per day plus 1.50 for each car she washes. jim is paid $40.00 per day plus 1.00 for each car she washes.

Solve the system of equations below. 3x+2y=12+y 4y-7x=10 a. (6,2) b. (-6,-2) c. (2,6) d. (-2,6)

The length of the radius of a bicycle wheel is 13 inches. Which of the following is closest to the distance the wheel will travel in three revolutions? 234 inches 39 inches 78 inches 117 inches

X+6y/12x^3 + x+2y/12x^3