Some students were surveyed about their favorite type music and school-subject preferences. The
results are displayed below.

here the number -5 is all of the following except a rational number.

step-by-step explanation:

c

c

c

c

c

c

c

cc

c

step-by-step explanation:

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x

the answer is

a.

x = 42

y = 10

i got it down chief.