Find the length of the side given that ?ABC ? ?DEF.the length of side EF
A. length of side AC
B. length of side AB
C. length of side BC
Answer: C
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Part of $3,800 is invested at 12%, another part at 13%, and the remainder at 14%. The total yearly income from the three investments is $506. The sum of the amounts invested at 12% and 13% equals the amount invested at 14%. Determine how much is invested at each rate.
A. $1,100 at 12%, $800 at 13%, $1,900 at 14% B. $700 at 12%, $1,200 at 13%, $1,900 at 14% C. $700 at 12%, $1,900 at 13%, $1,200 at 14% D. $600 at 12%, $1,300 at 13%, $1,900 at 14% E. $800 at 12%, $1,300 at 13%, $1,700 at 14%
Use algebraic and/or graphical methods to solve the inequality.
> 
A. -7 < x <- 
B. No solution
C. x < -7 or x > - 
D. 
< x < 7
Solve using any appropriate method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.x + 2y = 0x - 2y = 32
A. (16, 8) B. (-8, 16) C. (2, -1) D. (16, -8)
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 3683 R2 B. Incorrect; should be 3684 R3 C. Correct D. Incorrect; should be 3683 R1