Klaus was replacing the roof on his house. he used 420 nails to attach all the pieces of wood. each piece of wood needed 7 nails to hold it in place. he used 40 piece es of wood. how many pieces were left?

Which expression shows the result of applying the distributive property to 9(2+5m) 11 + 14m 18 + 45m 18 + 5m 2 + 45m

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?

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.