Solve the system by the substitution method.12x2 + 8y2 = 72y = x + 3
A. 
B. 
C. 
D. 
Answer: B
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?Which of the following numbers is larger? Explain why. ? 3.5% or 3.5 ?
A. ?3.5 is larger because there are 3.5 parts out of 10, while 3.5% means 3.5 parts out of 100. B. 3.5 is larger because there are 35 parts out of 10, while 3.5% means 3.5 parts out of 100. C. ?3.5% is larger because there are 350 parts out of 100, while 3.5 means 3.5 parts out of 10. D. 3.5% is larger because there are 35 parts out of 1000, while 3.5 means 3 and 0.5 hundredths. E. 3.5 is larger because 3.5 means 3 and 0.5 tenths, while 3.5% means 3 and 0.5 hundredths.
Find an equation of the inverse relation.x3y = -9
A. y3 = -9
B. x3 = 
C. y3x = -9
D. 
= -9
The pair of triangles is similar. Find the missing length.
A. 1.6 B. 0.4 C. 4 D. 0.1
Solve the problem.The table shows the population of a city over the past five years.
We used these data to develop the quadratic equation 
, which models the population of the city y in millions in the year x, where x = 0 represents 1995, x = 1 represents 1996, and so on. Use the model to find the estimated population in the year 1998.
A. 1,490,000,000,000 B. 68,852,000 C. 71,628,000 D. 1,490,000