Karma spends two fifth hours every day learning music. how maby hours does she spends learning music in a week?​

the answer is a

step-by-step explanation:

because if you put 1 in to the square root of x it equals 300.

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.