Square Roots and Cube Roots Questions

What is the remainder, when 4x4 +10x3-20x2+90 is divided by (x+2) ?

65.The angles of elevation of an aeroplane flying vertically above the ground, as observed from the two consecutive stones, 1 km apart; are 45o and 60o. The height of the aeroplane from the ground is

If 1-aa3+9 = 19 - a1-a3, then what is the value of a?

Which of the numbers given below is the square root of 14161?

If the numbers  93, 204, 256 are arranged in ascending order, then the right arrangement is 

If 3a=4b=6c and a+b+c=279 then a2+b2+c2 is equal to

The cube of 997 is

Determine the value of 'x' when 3x3 = 27