√17 is between 16 and 18? true or false

Solve the system of equations y= 3/2 - 1, -x+ y =-3

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?