I think the answer is c because Bill is surveying every fourth person who enters the mall, which would be the population surveyed. Hope I helped! (Let me know if I got it wrong)
Answer:
256 ; 81
Step-by-step explanation:
(4^⅓)^12 = 4⁴ = 256
(9⁴)^½ = 9² = 81
Answer:
-1/12
Step-by-step explanation:
slope=(-2-(-1))/(6-(-6))
-1/12
Answer: Not safe
Step-by-step explanation:
Let the angle of elevation of the ramp be θ, then:

But the maximum angle for the ramp cannot exceed 7.1°. The calculated angle of elevation will make it difficult, if not impossible, for motorized wheelchairs to get up the ramp.
Therefore, the ramp at the local library is not safe for motorized wheelchairs
Answer:
C
Step-by-step explanation: