- Show that the line x+y=4 is tangent to the circle x^2 + y^2 =8?

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What is the probability that a randomly selected positive integer greater than 2 and less than 18 will be prime? Write two polynomials that are not monomials whose product is a trinomial of degree 4? What is the formula for acceleration? Can anyone solve the following Euler equation: x²y'' + 2xy' - 6y = 0? A couch and coffee table cost a total of $1300.The cost of the couch is three times the cost of the coffee table. Find cost of each item.?