Line ef has an equation of a line y = −2x + 7. which of the following could be an equation for a line that is perpendicular to line ef?

answer choices:

y = 2x - 3

y = 1/2x - 3

y = -2x - 3

y = -1/2x - 3

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet