Three friends owe $18 to another friend for gas. if they plan to split the cost evenly, which of the following expressions could they use to find how much they each owe? 18 ÷ 3 18 ÷ -3 -18 ÷ -3 -18 ÷ 3

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.