Answer:
10
Step-by-step explanation:
Find the mean
9+12+10+15+15+15+10+x/8=12
divide 86+x/8=12
multiply both sides by 8
86+x=96
sub 86 from both sides
x=10
hope this helps
Answer:
there is a 50% increase of change from 200 to 300. What do you mean by total cost or sale price?
Step-by-step explanation:
F(x)=6x^4-10x^3+40x-50, plug 2 in for x
f(2)=6(2)^4-10(3)^3+40(2)-50
f(2)=12^4-30^3+80-50
f(2)=20735-27,000+80-50
f(2)=-6,235
