The price for a tv was decreased by 20% and then by 10%. by what percent was the new price lower than the original? the answer is not 30% you. i will mark brainliest.

Multiply. −2x(6 x 4 −7 x 2 +x−5) express the answer in standard form. enter your answer in the box.

Select the number of ways in which a line and a circle can intersect

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.