Which pair pyla are most closley related

Adeveloping nation's economy is based on a developed nation's economy is based on stay tuned- i may post some more questions from my study guide : )

Drag the tiles to the correct boxes to complete the pairs. match the stages to their features. low birth rates, death rates are constant high birth rate, and death rate high birth rate and low death rate pre-modern mature industrial industrialization

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k