exam Maths Puzzle Numerical Ability

At 10:00 a.m. planes leave an airport. If the northbound plane flies at 280 mph and the southbound at 320mph, at what time will they be 1,000 miles apart?

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exam Other Question

Definition: If y is a non-zero real number, then y to the 0 power = ________ For each inequality use the restrictions and sketch the graph with shading, then state the solution set.

y = /x/ + 2 f(x) < 7