exam Maths Puzzle Numerical Ability

1)A temperature of 41 degrees F is equivalent to 278.2 degrees K, while a temperature of 86 degrees F is equivalent to 303.2 degrees K. Find the equation converting Kelvin tempera

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exam Other Question

Rob can tar a roof in nine hours. One day hsi friend Kayla helped him and it only took 4.74 hours. How long would it take Kayla to do it alone? Consider the function f(x)=x^2+6x-2.

a) Find h, the x-coordinate of the vertex of this parabola.