Solve the equation.
x = 8
A. 3
B. -1
C. -8
D. -3
Answer: D
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Solve.21 = -19 + a
A. a = -40 B. a = -2 C. a = 40 D. a = 2
Solve the problem.In a certain town the annual consumption, b, of beef (in pounds per person) can be estimated by 
where t is the number of years since 2010. Find and interpret the t-intercept of the graph of this function.
A. 34; If this trend continues, the annual consumption of beef in this town will be zero pounds per person in the year 2078. B. 68; The annual consumption of beef in this town was 68 pounds per person in 2010. C. 34; The annual consumption of beef in this town was zero pounds per person in 2010. D. 68; If this trend continues, the annual consumption of beef in this town will be zero pounds per person in the year 2078.
Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
A. Estimate: 150; exact: 127.72 B. Estimate: 15; exact: 12.772 C. Estimate: 150; exact: 126.72 D. Estimate: 15; exact: 12.672
Find 
