Solve the system by the substitution method. Be sure to check all proposed solutions. x + 2y = 146x + 3y = 21
A. {(-7, 0)}
B. {(0, 7)}
C. {(1, 6)}
D. ?
Answer: B
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Write the slope-intercept form of the equation for the line passing through the given pair of points.(-4, 0) and (5, -2)
A. y = 
x + 
B. y = - 
x - 
C. y = 
x - 
D. y = - 
x + 
Provide an appropriate response.Points represent:
A. an additional cost of financing B. monthly payments C. 2 percent of the amount borrowed D. a 3 percent up front payment
Insert <, >, or = to make the statement true.
A. < B. = C. >
Solve the problem. Round to an appropriate number of significant digits.A theatre sells two types of tickets to their plays; children's tickets and adult tickets. For today's performance they have sold a total of 750 tickets. Also, they have sold 4 times as many children's tickets as adult tickets. How many children's tickets have they sold?
A. 596 B. 600 C. 607 D. 43