If five items cost $.75. how much wood seven items cost?

105

Step-by-step explanation:

75/5= 15

75+15*2= 105

7 items would cost $105

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answer: d.) the total number of protons and neutrons is 15

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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.