Answer:
the answer is b 28 in sq
Step-by-step explanation:
the area is b i believe
We can divide each digit by 7. So 56/7=8 and 21/7=3
so.... 8:3
Answer:
x=4
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
7^-2 = 1/7^2
The negative means you flip it
1/7^2 times 7^6 is 7^6/7^2 (just multiply).
using rules of exponents, 7^6/7^2 is 7^4 (just subtract 2 from 6)
D is the only one that equals 7^4, as 2 times 2 is 4.