Answer:
94.2
Step-by-step explanation:
c
Step-by-step explanation: 94.2
5 9/14
7 1/2
a) 4 1/7 + 1 1/2= 4+ 1/7 +1 +1/2 = 5 + 1/7 +1/2 = 5+ 2/14 + 7/14= 5 + 9/14= 5 9/14
b) 4 1/2 ÷ 3/5 = 9/2 ÷ 3/5 = 9/2 *5/3= 3/2*5= 15/2= 7 1/2
52.5
The formula is 6 a^2
6 x (11^2)
11 x 11=121
6 x 121 = 726
So 726 is your answer