Solve the problem.A tank contains 2
gallons of water. Its capacity is 
How much more water is needed to fill it?
A. 
gal
B. 
gal
C. 1
gal
D. 4
gal
Answer: C
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Use the fundamental identities to simplify the expression.cos x (csc x - sec x) - cot x
A. 0 B. -1 C. cos2x - tan2x D. 1
Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. By using linear regression, the following function is obtained: 
where x is the number of hours spent in the lab and y is grade on the test. Use this function to predict the grade of a student who spends 13 hours in the lab. Number of hours spent in lab Grade (percent) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. 64.4 B. 60.4 C. 75.6 D. 67.0
Multiply the binomials.(2x - 6)(x - 5)
A. x2 - 16x - 17 B. 2x2 - 16x + 30 C. 2x2 - 17x + 30 D. x2 + 30x - 16
Each type of transformation requires geometric entity(s) to define it. List the four transformations studied in this chapter. Then tell how each one is defined.
What will be an ideal response?