If a stone is dropped from a height of 472 feet, its height after t seconds is given by 
. Find the stone's average velocity over the period 
.
?
A. -73
B. -69
C. -72
D. -70
E. -74
Answer: C
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Find the limit.
x-3/ln x
A. 
B. 
C. e3
D. -3
Solve. Assume the exercise describes a linear relationship.In 2010 a certain county recovered 25% of its municipal wastes through recycling, up from 17% in 2005. Find a linear equation that fits this data. Use this equation to predict the percentage recycled in 2016.
A. 34.6% B. 32.7% C. 31% D. 36.3%
Indicate the quadrant in which the point (10, 9) lies. ? Please enter your answer as a number: 1, 2, 3, or 4.
Fill in the blank(s) with the appropriate word(s).
Use a proportion to solve the application.According to a recent study, 1.54 million households in one American city have pets. Out of every 100 people, 56 have more than one pet. How many households own more than one pet?
A. 86,240 people B. 805,999 people C. 862,400 people D. 869,127 people