Does somebody know the answer to this question I’m lost

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile

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