Triangle xyz is an isósceles. angle y measures a°. what expression represents the measure of angle x? a) 2ab) a/2c) 90-ad) 180-2a

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Anyone know? will mark brainliest if correct!

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle