Answer:
6/5=x/15
Step-by-step explanation:
6/5=x/15,where x is hight of the lamp post
x=18
-75
f(-10) = 7(-10) - 5
f(-10) = -70 - 5
f(-10) = -75
4 or5or6
3+1=4
3+2=5
3+3=6