Perform the division.
A. r2 + 9r + 3
B. 7r2 + 3r + 9
C. 7r2 - 3r - 9
D. 7r2 + 3r + 
Answer: B
Mathematics
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One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval.tan x = 1,
x in 
A. sin x = 
, cos x = 
B. sin x = - 
, cos x = - 
C. sin x = 
, cos x = - 
D. sin x = - 
, cos x = 
Mathematics
Express in terms of a base raised to a positive exponent. Then simplify, if possible.
A. x7
B. x2
C. x-7
D. - 
Mathematics
Find the reciprocal, if it exists.
A. 1
B. - 
C. 
D. - 
Mathematics
Solve the problem.If 3 sandwich rolls cost $0.45, how much will 29 rolls cost?
A. $1.35 B. $4.35 C. $5.35 D. $3.35
Mathematics