The algebraic expression 55 (4x) + 600 gives the cost in dollars to build a fence around a square park with side length x meters. The cost includes a fixed labor fee in addition to the
cost of the fencing material. Interpret each of the following parts of the expression by
matching it to its meaning.
55
4x

600

55(4x)

(Multiple choice answers)

The table shows the distance traveled over time while traveling at a constant speed.

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x