Find the numerical value of the expression for the given value.
, x = 3
A. - 
B. - 
C. 
D. 
Answer: B
Mathematics
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Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.If Jessica can type 48 words per minute, estimate the number of words she can type in one hour.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Evaluate. 73
A. 343 B. 21 C. 216 D. 2187
Mathematics
Evaluate the polynomial.5x2 - 2x - 7 for x = 3
A. 2 B. 32 C. 28 D. 22
Mathematics
Solve.The concentration of a particular medication, in parts per million, after time t, in hours, is given by the polynomial 
. Find the concentration after 20 hours.
A. 96 parts per million B. -12 parts per million C. 84.36 parts per million D. 72 parts per million
Mathematics