The number of brain synapses is believed to peak at

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

Technological solutions have good bad effects. what is one bad effect of spraying a chemical pesticide on crops

Of the population of the united states is obese. a. 10% b. 25% c. 33% d. 50% select the best answer from the choices provided. a b c d