Which rule describes a linear relation?

a. double x and subtract five to get y.
b. multiply x and y to get 20.
c. multiply x times itself and add five to get y.
d. divide 40 by x to get y.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?