10 pts Which relationship is always true for the angles x, y, and z of triangle ABC? y Oy+z= x O x+y+z= 180 degrees O X+z=y O x + y + z = 90 degrees​

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

In july, the average temperature in one us city was 29°c. by december, the average temperature had fallen by 29°c. explain why the average temperature in december was 0°c.

If a seller prepaid the taxes of $4,400 and the closing is set for may 19, using the 12 month/30 day method what will the buyer owe the seller as prorated taxes?