easy
5% is .05 two decimals to the left
55 x .05 = 2.75
$2.75 is your sales tax
55+2.75=$57.75
Answer:
The principal square root of -4 is 2i.
Step-by-step explanation:
= 2i
We have the following steps to get the answer:
Applying radical rule 
We get 
As per imaginary rule we know that 
= 
Now 
Hence, the answer is 2i.
Answer:
80 sq.in
Step-by-step explanation:
One square's side = 4in
One square's area = 16 sq. in
16 x 5 = 80 sq.in
Hope that helps!
Remember of means multiply so the answer would be 2/3*24= 16