When flipping a coin what is the probability that dave will go to class is 0.7 ,what is the probability that he will not go to class?

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

How is this equation completed? i cannot find any examples in the book.