exam Maths Puzzle Numerical Ability

The square root of 32x + the square root of 2x - the square root of 18x =?

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exam Other Question

Please help me with this problem!
If:
z=4(cos50 degrees + i sin50 degrees) and w=2(cos340 degrees + i sin340 degrees), find z/w in polar form.

Thank you, natalie (36) Ride the peaks. Smith bicycled 45 miles going from Durango, and Jones bicycled 70 miles. Jones averaged 5 miles per hour more than Smith, and his trip took one-half hour longer thank Smith�s. How fast was each one traveling?