Please answer or tell which letters go together

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.

7x^2-9x+5=0 find the discriminant and number of real solutions

Which expression can be used to find the cost of .75 kilogram of cheese at the price of $6.40 per kilogram?