The points L, M, N and O all lie on the same line segment, in that order, such that the ratio of LM : MN: NO is equal to 3 : 4 : 4. If LO = 33, find MN.

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

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.