Determine whether the graph is a tree.A complete graph with 5 vertices.
A. No
B. Yes
Answer: A
Mathematics
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Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ?
B. {(6, 2)}
C. infinitely many solutions; {
6x + 2y = 3} or {
6y = 9 - 18x}
D. {(0,0)}
Mathematics
Write the reference angle for the given angle.510°
A. 45° B. 30° C. 60° D. 90°
Mathematics
Solve the equation graphically, numerically, or symbolically. If appropriate, round the solution to hundredths. ?b - 4? - 9 = -2
A. No solution B. 11, -3 C. 11 D. -11, 3
Mathematics
Multiply.
× 
A. 
B. 
C. 
D. 
Mathematics