Which is colder -3 -12 -8 -15

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

Hurry the figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²

Robert is replacing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other is 5.7 feet. the sod costs y dollars per square foot.