Solve.x2 + y2 = 645x2 + 2y2 = 196
A. 
, 
, 
, 
B. 
, 
C. 
, 
, 
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D. 
, 
Answer: C
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If s represents the displacement and t represents the time for an object moving with rectilinear motion according to the given function, find the instantaneous velocity for the given time.s = 3.8t3 + 4.2t2 + 3.2t + 2.2; t = 2.2
A. 79.056 B. 36.68 C. 48.96 D. 76.856
Find the amount of the sales tax or the tax rate and the total cost. Round money answers to the nearest cent.Cost of item: $413 Tax rate: 8%
A. $33.04, $446.04 B. $330.40, $743.40 C. $37.17, $450.17 D. $28.91, $441.91
Solve the problem.A bag contains 6 red marbles, 3 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 7
B. 
C. 
D. 
Sketch a graph of the polar equation. r = -3cos3?
What will be an ideal response?