Answer:
m=0
Step-by-step explanation:
<em><u>mx²+2x-1=0</u></em>
if x=1/2 then
m(1/2)² +2(1/2)-1=0
m/4+1-1=0
m/4=0
Answer: t = 17
Subtract 4 from each side.
t = 17
17 + 4 = 21
Length x Width x Height = Volume of Cube
x = 66
Have a nice day