Answer:
c. 9ft
Step-by-step explanation:

+ 144 = 225
= 81
x = 9
Answer:
396 yd^2
Step-by-step explanation:
8X12=96
(96/2)*2=9
10*10=100
100*3=300
300+96=396
The lowest common denominator of the two fractions is 4 because it is the smallest number that both fractions can be transformed into. 3/2 is multiplied by 2 to create 6/4 which can be added to 11/4.