Rachel has tossed a fair coin ten times. It landed heads up every time. Is this POSSIBLE?
Explain

Yes, although this is unlikely as every time she flips the coin there is a 50% chance of getting heads. Therefore, there is a possibility of her getting heads every time

Ithink is a. true, but not sure

Aquadratic function is one of the form f(x)=ax2 + bx + c l, where a,b, and c are numbers with are not equal to zero.