Perform the indicated operation.(
+ 
)(
- 
)
A. 12 - 8
B. 4
C. 12 - 2
D. 20
Answer: B
Mathematics
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Multiply.-4 ? 18
A. -90 B. -72 C. 68 D. -68
Mathematics
Determine whether the function is one-to-one.h(x) = 
x - 
A. One-to-one B. Not one-to-one
Mathematics
Multiply.(-15)(-15)
A. 240 B. -240 C. 225 D. -225
Mathematics
Solve the problem.Bob is saving to buy a car. The total amount that he needs is $9000. The amount that he has saved so far is $6000. Find the amount Bob needs by solving the equation 6000 + x = 9000, where x represents the remaining amount he needs.
A. Bob needs $6000 more. B. Bob needs $3000 more. C. Bob needs $9000 more. D. Bob needs $3002 more.
Mathematics