Simplify the expression by using a sum or difference identity.sin 
cos 
- cos 
sin 
A. 
B. 
C. 
D. 1
Answer: C
Mathematics
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Decide whether the two sequences of operations give the same result.Subtracting y from x and adding the difference to z; adding x to z and then subtracting y
A. Yes B. No
Mathematics
Solve the problem. Round to the nearest cent unless otherwise noted.A steel-belted radial tire that sells for $83.99 is on sale for 25% off the regular price. Find the amount saved by buying 4 tires on sale.
A. $21.00 B. $83.99 C. $88.19 D. $82.99
Mathematics
Divide.
A. x2 + 9 B. x - 16 C. x + 9 D. x3 - 16
Mathematics
Solve the logarithmic equation.ln(3x - 2) = ln 2 - ln(x - 1)
A. ?
B. 
C. 
D. 
Mathematics