Find the sum or difference. Write the answer in lowest terms.- 
- 
A. - 
B. 
C. - 
D. - 
Answer: C
Mathematics
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Determine whether the proportion is true or false.
= 
A. True B. False
Mathematics
Solve.On a road trip, Jackie and Meredith drove 395 miles through the United States and 135 kilometers through Canada. How many kilometers did they travel in total? Round your answer to the nearest hundredth if necessary.
A. 530 km B. 770.95 km C. 478.7 km D. 719.65 km
Mathematics
Solve the problem.You have 260 feet of fencing to enclose a rectangular region. What is the maximum area?
A. 4225 square feet B. 4221 square feet C. 67,600 square feet D. 16,900 square feet
Mathematics
Simplify the expression, if possible.log2 
A. - 
B. - 
C. 
D. 
Mathematics