Giving a test to a group of students, the grades and gender are summarized below A B C Total
Male 13 17 20 50
Female 12 9 16 37
Total 25 26 36 87
If one student was chosen at random, find the probability that the student got an A.
Give your answer as a fraction or decimal.

dont understand

step-by-step explanation:

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

c

step-by-step explanation:

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

source