Write the sentence as an equation. Let the variable x represent the number.The sum of twice a number and 7 is 17.
A. 2x - 7 = 17
B. 14x = 17
C. 2x + 7 = 17
D. x + 14 = 17
Answer: C
Mathematics
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Simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Fill in the blank with one of the words or phrases listed below.
A(n) 
of a system of two equations in two variables is an ordered pair of numbers that is a solution of both equations in the system.
A. consistent B. dependent C. substitution D. solution
Mathematics
Solve the equation and express the solution in exact form.ln(40x - 4) = ln 6
A. 
B. 
C. 
D. 
Mathematics
Change the percent to a fraction or mixed number. Simplify if necessary.380%
A. 7
B. 1
C. 3
D. 38
Mathematics