Simplify the expression.j10
A. j
B. -j
C. 1
D. -1
Answer: D
Mathematics
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Perform the indicated operations.(x - 11y)(x - 4y)
A. x2 - 15xy - 15y2 B. x2 - 15xy + 44y2 C. x - 15xy + 44y D. x2 - 18xy + 44y2
Mathematics
Identify the number represented on the abacus.
A. 52 B. 56 C. 12 D. 16
Mathematics
Divide and simplify. Assume variables do not cause any denominators to equal 0.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 245 miles in the same time that Dana travels 230 miles. If Chuck's rate of travel is 3 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 46 mph B. 53 mph C. 45 mph D. 49 mph
Mathematics