Determine the slope and y-intercept for the equation.x = -1
A. slope: m = -1; y-intercept: b = 0
B. slope: m = 0; y-intercept: b = -1
C. slope: m is undefined; no y-intercept
D. slope: m is undefined; y-intercept: b = -1
Answer: C
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A. 
B. 
C. 
D. 
Use the Urban Prices Index Table to answer the question. The table shows what $100 worth of an item costs today. 
*All figures are expressed as a percent of the base of 100 from two decades ago.Urban area: Los AngelesWhat does $100 of Food and beverages cost today?
A. $117.10 B. $237.80 C. $115.50 D. $229.60
List all numbers from the given set B that are members of the given Real Number subset.B = {4, 
, -21, 0, 0.
, 
} Whole numbers
A. 4, 0
B. 4, -21, 0
C. 4, 0, 
D. 4, -21, 0, 
Solve the problem.How long would it take to drive 720 kilometers if your average rate of speed was 80 kilometers per hour? Use the formula d = rt.
A. 9 hr B. 80 hr C. 10 hr D. 576 hr