What are the zeros of the function?

f(t)=t^2−13t+36

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

What is the value of the discrimination for the quadratic equation 0=×2+2+×2