Solve by the elimination method:
10x + 39y = 16
15x + 39y = 18
Mathematics
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Provide an appropriate response.Let A = 
; find A-1.
What will be an ideal response?
Mathematics
Provide an appropriate response.The primary difference between a check register and a check stub is that the check register is attached to the check.
A. True B. False
Mathematics
The population of the Earth is approximately 7 billion people and is growing at an annual rate of 2%. Assuming a Malthusian growth model, by what factor will the current population of the Earth increase in 50 years? Round to the nearest hundredths. ?
A. 19.03 B. 2.00 C. 7.00 D. 2.72 E. 7.72
Mathematics
Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 
Mathematics