2/3 of the bear at the zoo are brownzoo are brown. 1/2 of them are males. what fraction of the zoo's bears are brown males?

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.