Carl can type 180 words in 2 minutes. How many words can Carl type in 1 minute

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.

Which of these lines passes through the point (1,-1) and has a slope of -3?

Can anyone with some algebra 1 homework? : )