exam Maths Puzzle Numerical Ability

Instructions: Perform the indicated operations.

What is the solution for -4x^2(5x^4-3x^2+x-2)

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exam Other Question

Skip and Laurie paddle a raft 15 miles downstream in 3 hours. On the return trip, they paddle the raft the same distance upstream in 5 hours. Find the rate of the current. An airplane traveling at 450 mph enters a region with a headwind of 25 mph. How long will it take the plane to travel 950 miles into this wind?