Answer:
7³ = 343
Step-by-step explanation:
a cube is equilateral
Answer:
b=6 1/4
Step-by-step explanation:
just trust me!!
Answer:
254.34
Step-by-step explanation:
You first have to know the formula which is

You multiply 9 by 9 which gives you 81.

pi equals 3.14
so 3.14 × 81 = 254.34