Evaluate the expression.9x, if x = 7.7
A. 
B. 69.3
C. 1.3
D. 16.7
Answer: B
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Find the exact value of the expression using the provided information.Find cos(A - B) given that cos A = - 
, with A in quadrant III, and 
with B in 
A. 
B. 
C. 
D. 
Find the sum.89 + 6 + 93.57 + 47.235
A. 235.805 B. 235.815 C. 235.905 D. 236.805
Rewrite in terms of two or more logarithms using the quotient and product rules for logarithms. Assume all variables represent positive real numbers.log13
A. (log1314)( log13m) - log13n
B. log1314 - log13m - log13n
C. log1314 + log13m - log13n
D. 
Provide an appropriate response. A football team must gain at least 10 yards over a series of 4 plays, or "downs," or else they lose the ball to the opposing team. If a team has a series of downs in which they gain 12 yards, lose 34 yards, gain no yards, and gain 13 yards, did they succeed in keeping the ball?
A. No B. Yes