Find the exact value of the expression using the provided information.Find cos(s + t) given that sin s = - 
, with s in quadrant IV, and 
with t in quadrant IV.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve by the substitution method.-5x + 8y = -462x + 3y = -25
A. {(-2, -6)} B. {(-2, -7)} C. {(-3, -6)} D. ?
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Find percent notation for the fraction notation in the sentence.
The pie chart shows the major for 360 college students at Blackwood Community College. 
of the students are majoring in social science. Find percent notation for 
.
A. 8.3% B. 10% C. 0.83% D. 1%
Mathematics
Find an equation for the line with the given properties.Parallel to the line 9x + 5y = 68; containing the point (7, 9)
A. 5x + 9y = 9 B. 9x + 5y = 108 C. 9x - 5y = 108 D. 7x + 5y = 68
Mathematics