2times 3 equals 36 3 times 4 equals 144 then 4 times 5 equals

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

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