Solve the equation. If the equation has no real solution, so state.x - 
= 4
A. x = -1
B. x = 9
C. x = 2, x = 9
D. x = 1, x = 2
Answer: B
Mathematics
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The life expectancy E, in years, for a child born t years after 2000 is given by
.
In what birth year would a child have a life expectancy of 78.06 years?
?
A. 2010 B. 2008 C. 2006 D. That life expectancy never occurs.
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The first three terms of an arithmetic sequence are 23, 22, 21, find the 86th term.
A. –62 B. –108 C. 1,954 D. –63
Mathematics
Rewrite as a terminating decimal.
A. 0.3225 B. 0.313 C. 0.3125 D. 0.2125
Mathematics
Convert. When necessary, round the answer to two decimal places.40 quarts = gallons
A. 160 B. 80 C. 20 D. 10
Mathematics