An amusement park has opened a new roller coaster. it is so popular that people are waiting for up to 3 hours for a 2-minute ride. concerned about how people who might be willing to wait in line for 3 hours feel about this, they survey thethe firstfirst 2020 peoplepeople in line for the rollerin line for the roller coaster. coaster. a) what kind of sample is this? b) is it likely to be representative of the people in line for the roller coaster? c) what is the sampling frame?

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.