volume = 7*7*2 = 49*2=98
she needs to get 98 cubic feet of sand
We know that:
Then:
Therefore:
Simplifying the above result we get:
Answer:
a=4
Step-by-step explanation:
We can see that 64= 4*4*4= 4^3, replacing 64 with 4^3 in the equation:
A.18.9285714286
B.18 remainder 39
0 1 8
4 2 7 9 5
− 0
7 9
− 4 2
3 7 5
− 3 3 6
3 9