Will give brainlist as soon as i can this is false right? ?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Determine domain and range, largest open interval, and intervals which function is continuous.