Xz=n, wz=2n-5, and the perimeter of triangle xwz is 20. what is the value of n? answers 3,5,7,6

Which graph represents y=^3 sqrt x+8-3 ?

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

What is the product of the radical expression. (7-2square root) (8+2 square root)