8 + 5i. I just added the expression normally.
Answer:
cos -60° =
,
cos 660° = 
Step-by-step explanation:
hope it helps
Answer:
i
( the comma means there is space between the sqrt of 2 and the i.
<em>Hope this helped and plz mark as brainliest!</em>
<em></em>
<em>Luna G.</em>
Answer:
B) Exp. Decay
Step-by-step explanation:
Because the term getting raised to a power is under 1, the function immediately starts going down and approaches negative infinity as x approaches infinity.
Round 9 3/4 to 10 ft
10 × 4 = 40 ft²
answer is 40ft² estimated