Its the third one..........
Answer:
by 3/4ftmrs torrer is shorter than her husband
6 1/4-5 1/2=25/4-11/2=3/4ft
You take the length times the width to get the area.
Answer:
x=+/-3
Step-by-step explanation:
x^4-5x^2-36=0
factor
(x^2-9)(x^2+4)=0
split into 2 equations because one of these terms will need to equal zero for the eqation to be true
x^2-9=0 x^2+4=0
x^2=9 x^2=-4
x=+/-3 no real numbers