exam Maths Puzzle Numerical Ability

A plane flies 560mi in 1.75 hr traveling with the wind. The return trip later against the same ind takes the plane 2 hrs. Find the speed of the plane and the speed of the wind.

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exam Other Question

Whats the polynomial of 3x^2+4x+1 ? Can someone please explain how to figure this problem? Determine the equation of the line that has a slope of -3 and passes through the point (-3,0). Write the equation in slope intercept form.