Solve x2 − 3x = −8 with complex solution a. x equals quantity of 3 plus or minus i square root of 29 all over 2 b. x equals quantity of 3 plus or minus i square root of 23 all over 2 c. x equals quantity of negative 3 plus or minus i square root of 29 all over 2 d. x equals quantity of negative 3 plus or minus i square root of 23 all over 2

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8