I need this done today whoever gets this correct gets brainliest
hurryy

FIRST ONE IS WRONG AND THE LAST TWO ARE CORRECT

Explanation:

A+B=90 IS WRONG ITS 180

90+B=180 IS RIGHT BECAUSE ITS 90 + A 90 DEGREE ANGLE

180-B=A IS CORRECT BECAUSE B IS 90 SO 180 - 90 = A. A=90

paul maurice zoll (july 15, 1911 – january 5, 1999) was a jewish american cardiologist and one of the pioneers in the development of the artificial cardiac pacemaker and cardiac defibrillator. he graduated from boston latin school in 1928.

d) the constitution rights of native americans and their right to self-government on reservations