According to a college survey, 22% of all students work full time. find the standard deviation for the random variable x, the number of students who work full time in samples of size 16. round your answer to two decimal places.
a. 4.26
b. 0.22
c. 2.75
d. 3.52
e. 4.00

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.

2nd one in the first row is correct

the correct answer option is (2x-3)(2x+3).

step-by-step explanation:

we are given the following expression and we are to factorize it:

we are to find such factors that when multiplied they give a result of 36 (9 x 4 = 36) and when added they give a result of 0.

the two such factors of 36 are negative six and postive six.

factorizing the given expression to get:

therefore, the correct factorization of is (2x-3)(2x+3).