Answer:
.5236
Step-by-step explanation:
Formula for sphere volume:
V = 
substiture 0.5 for r:
= .5236
Answer:
$7.67
Step-by-step explanation:
So if 8 pens cost $4.72, one pen would cost $0.59. 0.59 x 13 will be equal to 7.67.
Answer:
I mite be rong but I think 8x and 3x
Irrational would be the correct answer
(7 + 5i) - ( -9 + i)
= 7 + 5i - (-9) - (i)
= 7 + 5i + 9 - i
= 16 + 4i
= 4i + 16