If there are 3 people in a room, the probability that they all have the same birthday is

What is the standard form of -5x^2+2x^4-11+x^3+3x

Which of the following is true for the relation f(x)=2x^2+1

Write an expression that represent sarah’s total pay last week.represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?