Add.
+ 7
A. 7
B. 
C. 14
D. 0
Answer: D
Mathematics
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Solve the problem.Construct a product table showing all possible two-digit numbers using digits from the set {1, 2, 6, 7}. List the numbers with repeating digits.
A. {11, 66, 77} B. {11, 22, 66, 77} C. {22, 66} D. none
Mathematics
Solve the problem.A ship sailing parallel to shore sights a lighthouse at an angle of 13° from its direction of travel. After traveling 4 miles farther, the angle is 24°. At that time, how far is the ship from the lighthouse?
A. 2.21 mi B. 4 mi C. 8.53 mi D. 4.72 mi
Mathematics
Divide. Assume that all variables represent non-negative real numbers.
A. 3
B. 
C. 2
D. 2
Mathematics
Evaluate the expression.-2431/5
A. -27 B. 81 C. 243 D. -3
Mathematics