-15x - 3y = 3
-15x - 3(5x-1) = 3 [input y]
-15x - 15x - 3 = 3 [distribute 3 over 5x and -1]
-30x - 3 = 3 [combine like terms]
-30x = 6 [add 3 to eliminate the negative]
x =

[divide by -30 to get x alone]
x =

[reduce the fraction]
Hopefully this is helpful enough to get you to your answer
Answer:
Step-by-step explanation:
Yes
You need to subtract the bonus points form the final score: 91-4=87
The interquartile range of the data set is 30.
Step-by-step explanation:
tvf-fmvg-bwn
come to this m*eet link