Freshman math help as soon as possible thank you! :))

What is the solution for 6 - 7/8? explain the steps.

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis

Finally, the arena decides to offer advertising space on the jerseys of the arena's own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14 what is this as a percentage? what is this as a fraction? what is the probability of not being shortlisted? give your answer as a decimal.