Solve the system by substitution. 0.05x + 0.06y = 0.03-0.05x + y = 3.15
A. ?
B. {(3, -3)}
C. {(-0.3, 0.3)}
D. {(-3, 3)}
Answer: D
Mathematics
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A. f(x) = 
, g(x) = x2 - 3
B. f(x) = 
, g(x) = x - 3
C. f(x) = 
, g(x) = x2 - 3
D. f(x) = 
, g(x) = - 
Mathematics
Use graphing to factor f(x).f(x) = 3x3 - 18x2 + 9x + 30
A. (x - 1)(x + 5)(x - 2) B. (x + 1)(x - 5)(x - 2) C. 3(x - 1)(x + 5)(x + 2) D. 3(x + 1)(x - 5)(x - 2)
Mathematics
Draw a tree diagram to find the number of possible outcomes.Toss three coins.
A. 3 outcomes B. 6 outcomes C. 8 outcomes D. 1 outcome
Mathematics
Solve the problem.How many ways are there to choose 9 books from a collection of 12 different books?
A. 79,833,600 B. 55 C. 660 D. 220
Mathematics