Indicate which property is illustrated in Step 5. Step 1 5x + 5 + 9x + 11 = (5x + 5) + (9x + 11)
Step 2 = 5x + (5 + 9x) + 11
Step 3 = 5x + (9x + 5) + 11
Step 4 = (5x + 9x) + (5 + 11)
Step 5 = (5 + 9)x + (5 + 11)
Step 6 = 14x + 16

A.
commutative
B.
arithmetic fact
C.
associative
D.
distributive

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?

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?

Find all the angles that satisfy the equation cos(θ)=32