Use mental math to find the difference.

492 - 206

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30