Choose 1 technological advancement from the last 20 years. How do you think it has changed society? How has it been improved upon since it was first developed?

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?

Question 18 multiple choice worth 3 points) (american money lo 4 hc) suppose the federal reserve raises interest rates. which of the following predicts the most likely results? the money supply will decrease, meaning that banks will give fewer loans and prices for goods and services will fall. the money supply will decrease, meaning that more people will buy goods and services and prices will rise, the money supply will increase, meaning that banks will give more loans and more businesses can open and hire workers. the money supply will increase, meaning that prices will rise and businesses will not hire many workers. i will mark the brainliest

Earlier studies were more slanted toward a. the upper class. c. caucasian males. b. teenagers in school. d. caucasian females. select the best answer from the choices provided a b c d