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