Answer:
15 units
Step-by-step explanation:

d = 14.866
d = 15
So you make them into an improper fraction with a common denominator. so it would be 18/4 - 7/4, and it equals 11/4, or 2 & 3/4!
its blurry
Step-by-step explanation:
can you take a better picture
Answer:
change the equation into one variable.
2 y equals 10 + x
y equals 5 + x by 2
now put that into the second equation
-3x + b parentheses 5 + x / 2 equals 11
-3x+b(5+ x/2)
-3x + b5 + bx/2 = 11
It subtracts 2 then adds 5