They should screen out 99 to 100 percent of uv rays. Hope this helps!
Answer:
(x+1)^2+(y-5)^2=13
Step-by-step explanation:
Answer:
i cant see it
Step-by-step explanation:
Answer:
40°, 95°, 105°, and 160°
Step-by-step explanation:
Let the smallest angle be x.
Measures of the 3 angles can be expressed as:



The sum of all angles in a quadrilateral = 360°.
Therefore, 
Solve for x






The smallest angle = 40°
Plug in the value of x in the earlier stated expressions to find the measure of the other angles:



Answer:
1800
Step-by-step explanation: