A toy company can make a doll worth Php55 for Christmas season. If the production manager plan to sell is x pesos and the number of dolls sold per month is 500-x, express the monthly profit in pesos as a function of x.

250 pesos is the monthly profit

Step-by-step explanation:

Let profit p

Given

p = x-55

and total doll sell in a month = 500 -x

monthly profit = (500-x)p

= 500 - x (x - 55)

=555x - 27500 - x^2

this will help u

the third picture

step-by-step explanation:

a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.