Kim purchased white vases red faces and flowers great centerpieces for an event the flowers cost a total of $309 and each face cost $10 if w and r represent the number of white and red vases purchased respectfully which of the following expressions represents the total cost of the centerpieces

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Find the multiplicative inverse of 8-12i