The equation x2 - 2x + y2 - 4y = 20 defines a circle in the xy-coordinate plane. What is the radius of the circle?
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Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

Mr. roseanne will buy 12 1/2 pounds beef for for a cookout. the price for the first 3 pounds of beef is $4.99 per pound. after that, the price is $4.49 per pound. how much will mr.roshan pay for the beef

Which two properties of equality could zoe use to finish solving for x? the equation is 3x - 4 = -10 for x so a either the addition or subtraction property of equalityb ether the multiplication or division property of equality c ether the addition or division property of equality d ether the subtraction or division property of equality just a simple a b c or d plz.