If this is an exponent, it would be 4 x 4 x 4 x 4 x 4 in expanded form.
6x+18y+12z
Hope this helps!
Answer:

Step-by-step explanation:
using the rule of exponents
= 
note that 6 =
, then
=
= 
Answer:
61.31
Step-by-step explanation:
By using sinus rule
When Completing the square you take the 'b' term and divide it by 2, then square it.
3/2, (3/2)^2 = 9/4
Letter C