Find the area.
A. 45 ft2
B. 90 ft2
C. 36 ft2
D. 23 ft2
Answer: A
Mathematics
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Solve by the substitution method. x + 7y = 144x + 8y = 16
A. (0, 2) B. No solution C. (1, 1) D. (-2, 0)
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Given functions f and g, perform the indicated operations.f(x) = 3 - 7x,g(x) = -5x + 7Find f + g.
A. -5x + 3 B. -2x C. -12x + 10 D. -2x + 10
Mathematics
Solve the problem.There are currently 78 million cars in a certain country, increasing exponentially by 1.9% annually. How many years will it take for this country to have 99 million cars? Round to the nearest year.
A. 11 yr B. 13 yr C. 160 yr D. 4 yr
Mathematics
Complete.50 m = 
cm
A. 500 B. 0.5 C. 5.0 D. 5000
Mathematics