A function is: A. a relation where each domain value has exactly one range value.

B. a relation where each range value has exactly one domain value.

C. a relation where each domain value has differing range values.

D. a relation between only one domain and range value.

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

Could someone with number 1 and 2

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.