Answer:
-8/7
Step-by-step explanation:
slope = change in y/change in x
9-1=8
3-10=-7
slope=8/-7
m = 12.9g
v = 8cm3
d = ?
d = m/v
d = 12.9g/8cm3
D = 1.6125g/cm3
-3
-5(2x+1)=25
-10x-5=25
-10x=25+5
-10x=30
x=-3
