Answer:
5
Step-by-step explanation:
t-u/v
substitute (-1) - (-3)/(1/2)
divide (-1) - (-6)
simplify (-1) + 6
add 5
11 is the answer you are looking for
76.5i=X cm
1inch=2.5
75.5 times 2.5= 188.75 cm
Y=mx+b
4m+b=3
2m+b=7
4m+b-2m-b=-4
2m=-4
m=-2
4(-2)+b=3
-8+b=3
b=11
The slope of line: Y=-2x+11
That's your answer, lovely~