Answer:
middle one
Step-by-step explanation:
As it says, the second one even it surveys fewer gamers, but their yearly income is verified, which are accurate, unlike the first one, where the gamers only report their income, which is not 100% true. some people may fake the number. therefore, the second one is more accurate and believable.
31 out of 50 is
62%Divide 31 over 50:

Multiply 0.62 and 100. This will convert the decimal to a percentage:
Answer:
cos B = 
tan B = 
sin B = 
Step-by-step explanation:
In the right triangle, there are three sides and 2 acute angles
- Hypotenuse ⇒ the opposite side of the right angle
- Leg1 and Leg 2 ⇒ the sides of the right angle
The trigonometry functions of one of the acute angles Ф are
- sin Ф = opposite leg/hypotenuse
- cos Ф = adjacent leg/hypotenuse
- tan Ф = opposite leg/adjacent leg
In Δ ACB
∵ ∠C is the right angle
∴ AB is the hypotenuse
∵ AC is the opposite side of ∠B ⇒ leg1
∵ CB is the adjacent side of ∠B ⇒ leg2
→ By using the ratios above
∴ cos B =
, tan B =
, sin B = 
∵ CB = 7, AB = 25, AC = 24
∴ cos B = 
∴ tan B = 
∴ sin B = 
Answer:a
Step-by-step explanation:hope this helps