Provide an appropriate response.Solve the following using a system of equations: A board that measures 30 inches is cut into two pieces. The longer piece is twice as long as the shorter piece. What is the length of each piece?
Fill in the blank(s) with the appropriate word(s).
20 in. and 10 in.
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Provide an appropriate response.When finding 
÷ 
, what are the restrictions on the variables and why?
What will be an ideal response?
Provide an appropriate response.If (f(x) = 3 - 2x, find f(f(x)).
Fill in the blank(s) with the appropriate word(s).
Translate the problem to a system of equations, then solve using matrices.A $114,000 trust is to be invested in bonds paying 6%, CDs paying 5%, and mortgages paying 9%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $8360 annual income from the investments, how much should the bank invest in bonds?
A. $57,000 B. $19,000 C. $36,000 D. $38,000
Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. y25
B. y
C. y13 - y12
D. 