Abasketball court is in the shape of a rectangle. it has a length of (x − 7) meters and a width of (x + 3) meters. the expression below represents the area of the court in square meters.

(x − 7)(x + 3)

which of the following simplified expressions represents the area of the basketball court in square meters?

− 6x + 3

x2 − 21

x2 − 4x − 21

x2 − 7x + 3

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?