Mayan achievements and inventions include all of the following, except .
a. a base 20 mathematic system
c. 365-day calendar
b. a written language
d. the wheel

Which of the following is not a reason why the supreme courts power of judicial review is thought to be too powerful? a .no checks and balance in place to ensure that c. courts can change legislation throughmisuse is not occurring with judicial reviewopinionb. no judicial review can occur without presidential d .courts can create legislation through opinionconsent