Solve the system by graphing.9x + y = 279x + y = 81
A. No solution
B. (25, -198)
C. Infinite number of solutions
D. (18, 9)
Answer: A
Mathematics
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Express the vector in the form ai + bj.
if A is the point (-1, -6) and B is the point (4, -13)
A. v = 5i + 7j B. v = 5i - 7j C. v = -5i + 7j D. v = 7i - 5j
Mathematics
Solve the problem.The batting percentages of some of the players on the company softball team are .240, .325, .208, .280, .244, .323, and .283. What is the average batting percentage of these players? Round to the nearest thousandth.
A. .285 B. .272 C. .317 D. .247
Mathematics
Find the absolute value.-
A. 24.1 B. -24.1 C. 48.2 D. 0
Mathematics
Find the eccentricity of the hyperbola.x2 - y2 = 2
A. 
B. 2
C. 
D. 0
Mathematics