Answer:Three times the difference of x and seven plus ten
Step-by-step explanation:
Answer:
x=0
Step-by-step explanation:
in the quadratic formula to only have one solution
for 
so we have


if we insert in the formula we have

since a≠0

For Perimeter you add all the sides of the figure and the total is your perimeter. For Area you multiply the length times the width.
Answer:
8...
Step-by-step explanation: