Answer:
B. (x+4)(x+i)(x-i)
Step-by-step explanation:
Let 
We can factor this polynomial by grouping:
We factor further to obtain:
We apply difference of two squares to get:
38.9 is the answer. because it is rounded to the nearest tenth.
Answer:
A rate: a measure, quantity, or frequency, typically one measured against some other quantity or measure.
A unit rate: When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. If you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.
Hope this helps.
Answer:
I think D option is write hope you help
Cot(-x) = 1 / tan(-x)
Tan(-x) * 1 / tan(-x) = 1
