Find the graph that matches the given system of equations.2x + y = 8y = 2x + 0
A. 
B. 
C. 
D. 
Answer: C
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Solve the equation. Give an exact solution.ln x - ln(x - 4) = ln 4
A. 0
B. 
C. 
D. no solution
Simplify by combining like terms.2a + 3 - 9ab + 3ab - 5a
A. -3a - 6ab + 3 B. -3a + 6ab + 3 C. -3a - 12ab + 3 D. 3a - 6ab + 3
Simplify the exponential expression. Assume that variables represent nonzero real numbers.
-2
A. 
B. 
C. 
D. 
A hot-air balloon is held at a constant altitude by two ropes that are anchored to the ground. One rope is 125 feet long and makes an angle of 64° with the ground. The other rope is 120 feet long. What is the distance between the points on the ground at which the two ropes are anchored? ? Apply the rules regarding the use of significant digits after all computations are complete. ? __________ ft.
What will be an ideal response?