On a particular day, the wind added 5 miles per hour to alfonso's rate when he was cycling with the wind and subtracted 5 miles per hour from his rate on his return trip. alfonso found that in the same amount of time he could cycle 50 miles with the wind, he could go only 30 miles against the wind. what is his normal bicycling speed with no wind?

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

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

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct