Solve the problem.The sum of two numbers is 44 and their difference is 14. Find the numbers.
A. 31 and 13
B. 31 and 45
C. 13 and 31
D. 15 and 29
Answer: D
Mathematics
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Use scientific notation to solve the problem.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?
A. 7.6 × 102 sec B. 7.6 × 102 min C. 76 sec D. 7.6 × 103 sec
Mathematics
Evaluate 
for the given x and function f.f(x) = 2x2 + 5 for x = 4
A. 21 B. 32 C. 16 D. Does not exist
Mathematics
Convert the units.235 g = 
kg
A. 23,500 kg B. 0.0235 kg C. 0.235 kg D. 235,000 kg
Mathematics
Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics