Please Helppp!!

An architect is making a deck in the shape below, where 1 unit = 1 foot. If one quart of deck stain can cover 8 square feet, how many quarts need purchased to stain the deck once?

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?