Which system of equations has a solution of approximately (0.7, –1.4)? A. x - y = 2 and x + 2 y = -2

B. x - 2 y = -2 and x + y = 2

C. x - y = 2 and x - 2 y = -2

D. x + y = 2 and x + 2 y = -2

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

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units