Evaluate the expression.
+ 
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Find the points on the curve 
that are closest to the origin.
A. (2, ±2
)
B. (2, 2
)
C. (8, ±
)
D. (8, 
)
Mathematics
Solve the problem.On our moon, the acceleration of gravity is -1.6 m/sec2. If a rock is dropped into a crevasse, how fast will it be going just before it hits bottom 45 seconds later?
A. -36 m/sec B. 3240 m/sec C. 72 m/sec D. -72 m/sec
Mathematics
Simplify by combining like terms.4a + 2 - 2a
A. -2a + 2 B. 4a C. 2a + 2 D. 6a + 2
Mathematics
Find the present value. Round to the nearest cent.To get $2000 after 12 years at 8% compounded semiannually
A. $811.45 B. $780.24 C. $1219.76 D. $794.23
Mathematics