Find the total area of the region between the curve and the x-axis.y = (x + 2)
; 4 ? x ? 9
A. 249
B. 
C. 
D. 
Answer: D
Mathematics
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Find the value of the logarithm without using a calculator.log10100
A. -3 B. -2 C. 2 D. -1
Mathematics
Perform the indicated operation. Simplify your answers. 
A. 13
B. 12
C. 12
D. 11
Mathematics
Solve the problem.The table lists the average annual cost (in dollars) of tuition and fees at a certain 2-year college for selected years, where year 1 represents 1992, year 3 represents 1994, and so on. The equation 
can be used to approximate the data. Predict the average annual cost in 2005 to the nearest dollar. 
A. $1547 B. $1516 C. $1454 D. $1485
Mathematics
Solve the system of equations by substitution.
A. x = 7, y = 12; (7, 12) B. x = 3, y = 7; (3, 7) C. x = 12, y = -2; (12, -2) D. x = -2, y = 3; (-2, 3)
Mathematics