a b and c are points on the circumference of a circle. XY is a tangent to the circle at the point a. angle bay = 72 ame angle ABC = 54. prove that triangle ABC is an isosceles triangle. you must give a reason for any statement that you make or any calculation that you carry out.

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?