Racing cars driven by Chris and Kelly are side by side at the start of a race. The table shows the velocities of each car (in miles per hour) during the first ten seconds of the race. Use the Midpoint Rule to estimate how much farther Kelly travels than Chris does during the first ten seconds.
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Use the product rule for exponents to simplify the expression, if possible. Write the answer in exponential form.(-9)8(-9)3
A. 8111 B. (-9)11 C. 911 D. 8124
Find the exact value under the given conditions.Given sin ? = - 
, with ? in quadrant IV, and tan ? = - 
, with ? in quadrant II. Find cos (? + ?).
A. - 
B. 
C. 
D. 
Write the fraction that is indicated by the shaded region.
A. 
B. 
C. 
D. 
The graph shows the actual percentage of U.S. households with a computer as a function of household income (the data points) and a logistic model of these data (the curve). The logistic model is
?
?
?
where x is the household income in thousands of dollars. According to the model, what percentage of extremely wealthy households had computers?
?
?
P = __________%
Fill in the blank(s) with the appropriate word(s).