a shopkeeper has 20 TV sets in stocks. He sold 16 of them to gain 20% and the remaining 4 at a loss of 5%. Calculate the total percentage gain or loss

20-5 =15

THAT'S IT 15%

HOPE IT HELPS!

center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.

the answer to your question is c.)   volcanoes built the mountains and earthquakes tore them down.

step-by-step explanation: