Match the following items. 1. associative property of addition
1
1
1
3 (24+15)= 3 .24 + 3 • 15
101 + (29+417) = (101 +29) + 417
2. commutative property of addition
3. distributive property
(-14) + 81 = 81 + (-14)
4. multiplicative inverse
-72 +0 = -72
17
5. additive identity
13
17
e
13 = 1

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?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.