Which equation is an identity?
7 - (9x + 3) = -9x - 4
6m - 5 = 7m + 5 - m
10p + 6 - p = 12p - 3(p - 2)
3y + 2 = 3y - 2

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?