Answer:
grjik
Step-by-step explanation:
It will take 20 days to make 20 craft pieces.
If she can make 5 in 5 days, then it will take her 20 days to make 20 craft peices
Answer:
SA : 84.9cm³
Step-by-step explanation:
Formula : 4×pi×r² as well as 4pi r²
4 x pi x 2.6²=84.94866535
1dp : 84.9
It's difficult to make out, but I think the task is to expand

Write the number in polar form first:

By DeMoivre's theorem, you have

and converting back to Cartesian form, this number is equivalent to