Acircle is defined by the equation given below x2+y2-x-2y-11/4=0

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Evaluate the expression for the given value of the variable 7a - 4a for a =8

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number