Describe the sample: To determine the best headphones, a popular music magazine included a questionnaire in the last issue and requested subscribers to respond.

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled

246

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.

10 - 8 = -2

  8 - 6 = -2

etc, so -2 is the common difference

step-by-step explanation: