Answer:
this is a negative slope
Step-by-step explanation:
hope this helps!
-3(x-5)=45
distribute
-3x+15 = 45
subtract 15 from each side
-3x = 30
divide by -3
x = -10
27/100×18=4.86
8.4/100×18=1.512
total is 6.372
-1/2