What is the perimeter of the triangle?

a: 4.5 inches
b: 13.5 inches
c: 9 inches
d: 18 inches

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

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

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?