Add or subtract.
- 
A.
B. -
C. -
D.
Answer: D
Mathematics
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Eliminate the parameter of the pair of parametric equations.x = 5 tan t, y = 4 cot t
A. xy = 20
B. y = sin x
C. y = cos x
D. = 20
Mathematics
Write the word name for the number.The average population of the suburbs around a certain large city is 72,018.
A. Seventy-two thousand, eighteen B. Seventy-two thousand, one hundred eight C. Seven thousand, two hundred eighteen D. Seventy-two hundred, eighteen
Mathematics
Determine the unit rate.2296 cars in 820 households
A. 2.8 cars/household B. 1476 cars/household C. 0.357 car/household D. 3116 cars/household
Mathematics
Find A-1, if it exists.A =
A.
B. Does not exist
C.
D.
Mathematics