Use substitution method to solve the system of equations. 2x+5x=13
2y-3x=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

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

43lbs of tomatos cost $387. how much would 41lbs cost