I need help on question 6. And 7.

6-21

Step-by-step explanation:

6-

if you convert 15.9375 to a decimal it is 1.75

now if you convert 1.75 to inches it is 21 inches.  

for 7 it seems that it got cut off but if you send me a pic i dont mind helpin you.

please make me as brainlest

x -

median = 1.25

range = 12-14.5

interquartile = q12-q14.5

y -

median = 1

range = 15-17

interquartile = q15-q17

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: