Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.
A. Yes; yes
B. Yes; no
C. No
Answer: C
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Solve the problem.The rates of death (in number of deaths per 100,000 population) for 1-4 year olds in the United States between 1980-1995 are given below. (Source: NCHS Data Warehouse) 
A logarithmic equation that models this data is y = 822.99 - 167.55 ln x where x represents the number of years since 1900. Use this equation to predict the rate of death for 1-4 year olds in 2005.
What will be an ideal response?
Fill in the blanks. Pulley A Pulley B Diameter rpm Diameter rpm 24 cm 48 48 cm __________ 9 cm __________ 6 cm 90
What will be an ideal response?
Solve the problem by estimating.Linda scored 62, 95, 90, 98, 74, and 100 on her calculus tests. Round each score to the nearest ten to estimate her total score.
A. 530 B. 510 C. 520 D. 500
Find the general solution of the linear differential equation 
.
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A. ?
B. ?
C. ?
D. 
E. 