Add or subtract as indicated.28
- 5
A. 23
B. 46
C. 33
D. 23
Answer: A
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Plot the point in the rectangular coordinate system.(-1, 0)
A. 
B. 
C. 
D. 
Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.2x + 5y + z = -64x - 3y - z = 243x + y + 3z = 12
A. {(1, -3, 4)} B. {(4, 1, -3)} C. {(4, -3, 1)} D. Cramer's rule does not apply since D = 0; ?
Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.Four times a number added to 9 times the number equals 65. Find the number.
A. 4x(9 + x) = 65; 7.2 B. 4x - 9x = 65; -7.2 C. 4x + 9x = 65; 5 D. 4(x + 9) = 65x; 0.6
In a conditional proof, it is best to assume:
A. the consequent of the conditional B. the antecedent of the conditional C. the antecedent of the conjunction D. the disjunct of the disjunction E. the conjuct of the conjunction