Solve the problem.During a period of much rain, the water level in a river rose 2 inches each day for 2 straight days. How much higher was the river at the end of this period?
A. -4 inches
B. -2 inches
C. 2 inches
D. 4 inches
Answer: D
Mathematics
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Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 9, ? = 225°
A. v = 9
B. v = 9
C. v = 9
D. v = 9
Mathematics
Use the information given in the table to solve the problem.The table gives the Consumer Price Index for selected years.
What is the percent change (to the nearest tenth of a percent) in prices from 1960 to 1975?
A. 122.8 % B. 114 % C. 112.8 % D. 117 %
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |x| + 5
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the square root without a calculator.-
A. 25 B. -312 C. 312 D. -25
Mathematics