Answer:
10.99
Step-by-step explanation:

where you see tan20 the 20 has a degree sign on top
√80 because the absolute value for complex numbers of the form a+bi are evaluated as √a²+b²
Answer:
x = 6
Step-by-step explanation:
18 - x = 12
-18 -18
-x = -6
--- ---
-1 -1
x = 6
Answer:
Advertising and promotion.
Borrowing costs.
Employee expenses.
Equipment and supplies.
Insurance, license, and permit fees.
Research expenses.
Technological expenses.
Step-by-step explanation:
Answer:
k= -89
Step-by-step explanation:
k = 10t - 19 and t = -7
k=10 (-7) - 19
k= -70 - 19
k= -89