Evaluate the expression.-73
A. 21
B. -21
C. -343
D. 343
Answer: C
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Write in words, as on a check.$40.02
A. Forty and 
dollars
B. Four and 
dollars
C. Four and 
dollars
D. Forty and 
dollars
+ 3
A. 9
B. 18
C. 21
D. 9
Part of $9,000 is invested at 11%, another part at 13%, and the remainder at 15% yearly interest. The total yearly income from the three investments is $1,210. The sum of the amounts invested at 11% and 13% equals the amount invested at 15%. Determine how much is invested at each rate, if 2,500 is invested at first rate.
A. $2,500 at 11%, $2,000 at 13%, and $4,500 at 15% B. $3,000 at 11%, $1,000 at 13%, and $4,000 at 15% C. $3,500 at 11%, $1,000 at 13%, and $4,500 at 15% D. $3,000 at 11%, $2,000 at 13%, and $4,000 at 15% E. $2,000 at 11%, $3,000 at 13%, and $3,500 at 15%
Find the open interval(s) where the function is changing as requested.Decreasing; y = x2/5 + x7/5
A. 
B. 
, (0, ?)
C. 
D. (-?, 0), 