Is the lcm of a pair of numbers ever equal to one of the numbers?

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Mon wants to make 5 lbs of the sugar syrup. how much water and how much sugar does he need… …to make 5% syrup?

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?