Find an odd natural numbers x such that LCM (x, 40) = 1400​

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable