Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.cos 2A
A. - 
B. 
C. 
D. - 
Answer: A
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Graph the function.f(x) = -3
A. 
B. 
C. 
D. 
Solve the equation using the quadratic formula.(2x - 3)(x + 1) = 0
A. 
, 0
B. 
, 1
C. 
, -1
D. 
, -1
The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)How many packages weighed between 20 and 29 pounds?
A. 7 packages B. 2 packages C. 6 packages D. 11 packages
Solve the problem.The population of country A in millions is modeled by 
During the same time period, the population of country B in millions is modeled by 
In both formulas x is the number of years. Assuming these trends continue, estimate what the population will be when the populations are equal. Round to the nearest million.
A. 17 million B. 1 million C. 18 million D. 19 million