Log2 8 = c hope this helps my n.i.b.b.a (apex)
Answer:
A
Step-by-step explanation:

x + 4 = ± 2
x = -2
x = -6
6 times because 6•7=42 so it must be 6 because 7•7=49
Good luck!!
Answer:
$20
Step-by-step explanation:
Easy formula for these problems is new price divided by change in percent as decimal with 1 at begining. So for this problem it is 21.05/1.0525. You can then test your answer by muliply you answer by 1.0525.