What is the pythagorean theorem

a2 + c2 = b2
a2 – b2 = c2
2a + 2b = 2c
none of the above

What is the area of the triangle 10 13 12

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip