What were the four technological firsts discussed in your text and what were the purposes for each

1. the taxes paid are used to the government in developing its country 2. its also used to build community centers where people would go to spend some valuable time with each other3. the taxes are may also be used to pay some public health sectorhope i'll be

Yes, they are always very triggered

S^2 = a4^2 = a4 * 4 = a16 centimeters = area of the square