Write the percent problem as an equation.77 is 42% of what number?
A. 77 = 42% ? m
B. 42% ? 77 = m
C. 42% + m = 77
D. 42% = m ? 77
Answer: A
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Determine the slope and the y-intercept. Use the slope and the y-intercept to graph the equation.y = 
x + 3
A. slope: - 
; y-intercept: (0, 3)
B. slope: 1; y-intercept: (0, 3)
C. slope: 1; y-intercept: (0, -6)
D. slope: 
; y-intercept: (0, 3)
A newspaper article discussing whether Social Security could be cut offered the information shown in figure. Use the information in these graphs to answer the question.
There seems to be an error in one of the three line graphs. What is it?
A. Only one line at the bottom B. The line graph at right begins at 1960 C. The line graph at right begins at 50 rather than 0 D. The lines are too close at the top left graph E. There are no errors
Graph.f(x) = -x2 + 2x - 8
A. 
B. 
C. 
D. 
Find the limit algebraically.
A. 
B. 1
C. -1
D. does not exist