Considere que, na figura, o ponto O é o centro da circunferência e responda às questões a seguir.

a) Podemos afirmar que os pontos A, O e B determi-
nam um triângulo isosceles? Por quê?

b) Podemos afirmar que os pontos A, B e C determi-
nam um triângulo isosceles?​

Will mark brainliest question in the pic.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Are the corresponding angles congruent? explain why or why not.