Provide an appropriate response.If the y-intercept of the linear equation y = 4x + b lies below the x-axis, then what can you say about b?
A. b < 0
B. b ? 0
C. b > 0
D. b = 0
Answer: A
Mathematics
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Multiply.-4 ? (-0.4) ? 7
A. -11.2 B. 112 C. 11.2 D. -112
Mathematics
Solve the problem.Devon purchased tickets to an air show for 5 adults and 2 children. The total cost was 
. The cost of a child's ticket was 
less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
A. adult's ticket: $23; child's ticket: $19 B. adult's ticket: $24; child's ticket: $20 C. adult's ticket: $26; child's ticket: $22 D. adult's ticket: $25; child's ticket: $21
Mathematics
Determine whether f and g are inverses by determining whether 
and 
f(x) = 7x + 3, g(x) = 
A. Yes B. No
Mathematics
Graph the linear equation.-7x = y - 1
A. 
B. 
C. 
D. 
Mathematics