What is the degree of this polynomial?
10y^2 – y

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume

An of a of 60. a of 36 is . isbe ?to .