Answer:im not good at explanation but i think its -1
Step-by-step explanation:
Primary sources contain information
A. with the advantage of hindsight and the perspective of an outside observer and may be more objective.
B. provided by someone who's been through an event. It's a firsthand account that lends a unique perspective.
C. on statistics gathered after an important historical event.
D. on psychological information gathered from raw data from psychological tests.
There are 66.666666 etc..... so if you round you get
67%
It’s 9. 3x9 is 27. Nothing else times anything equals 27, excluding decimals.
sin = opposite/hypotenuse
sin 40° = 12/x
Cross multiply.
0.64278760968x = 12
Divide both sides by sin 40°.
x = 18.7 (rounded to nearest tenth).