Find the percent increase or decrease.
A. 100% increase
B. 75% decrease
C. 175% increase
D. 125% increase
Answer: D
Mathematics
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Add or subtract as indicated. Write the answer in simplest form. 
- 
A. - 
B. 1
C. - 1
D. 
Mathematics
Solve the sales tax problem.The purchase price of a sofa is $1005. If the sales tax rate is 6.8%, what is the overall price? Round to the nearest cent.
A. $68.34 B. $683.40 C. $1688.40 D. $1073.34
Mathematics
Find the exact value of the product.cos 
cos 
A. 
- 
B. 
+ 
C. 
- 
D. 
+ 
Mathematics
Multiply or divide and leave the answer in trigonometric notation.
A. 10(cos 25° - i sin 25°)
B. 6(cos 25° + i sin 25°)
C. 10
D. 6(cos 49° + i sin 49°)
Mathematics