In ΔXYZ, y = 55 cm, z = 87 cm and ∠X=131°. Find the area of ΔXYZ, to the nearest square centimeter

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?

How do i answer this i do not get this at