Which of the following practices are likely to be part of a sustainable society?
i. recycling old products to use in the manufacturing of new products
ii. maintaining a population that consists of three children for every adult
iii. planting a new tree to replace every tree that is cut down

i only
ii only
i and ii only
i and iii only
ii and iii only

Arandom variable x has a mean of 10 and a standard deviation of 3. if each value of x is multiplied by 2, what will the new mean and standard deviation be?

Type the correct answer in each box. use numerals instead of words. amanda is placing an order for running shoes and leather boots for her footwear boutique. she needs a total of 48 pairs of shoes and twice as many pairs of running shoes as leather boots. set up the two equations that can be used to find the number of each type of shoe that amanda needs to order. let the equation that represents the total number of pairs of shoes be referred to as constraint 1. let constraint 2 refer to the equation that describes the ratio of the number of running shoes to leather boots.

Aparticular electrical signal being transmitted to a neuron is sufficient to generate an action potential. if the magnitude of the incoming electrical signal is doubled, the action potential will