Tammy has a rectangular rug with an area of 21 square feet. The rug is 4 feet longer than it is wide. Tammy wrote an equation that could be used to solve the width of the rug. Which of the following represents the equation after converting it to standard form? Question 1 options:

w2+4w+21=0

w2+4w−21=0

4w2+4w−21=0

4w2−21=0

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d. x+y=2

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180