Estimate the sum or difference by first rounding to the nearest ten.65
A. 120
B. 14
C. 20
D. 10
Answer: C
Mathematics
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Use the fundamental identities to find the value of the trigonometric function.Find sin ? if tan ? = - 
and cos ? > 0.
A. - 
B. - 
C. 
D. - 
Mathematics
Given that DB ? AC and B is the midpoint of AC; prove that ?ABD ? ?CBD.
Mathematics
Solve the equation.
= 7
A. 
B. 
C. {7}
D. {49}
Mathematics
Solve the problem.Sue had $647 in her bank account. She deposited a $148 pay check and a $793 pay check. How much did she deposit and what was her new balance?
A. $941; $1588 B. $795; $1588 C. $941; $1578 D. $1440; $1488
Mathematics