Solve.9x + 3 = 8x + 5

A.
B.
C. 4
D. 2


Answer: D

Mathematics

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Solve the problem.The value V of a car that is t years old can be modeled by V(t) = 19,699(0.81)t. According to the model, what is the value, to the nearest dollar, of a 3 year old car?

A. $12,925 B. $4471 C. $10,469 D. $47,869

Mathematics

Determine the maximum possible number of turning points for the graph of the function.f(x) = x6 + 8x7 

A. 7 B. 8 C. 1 D. 6

Mathematics

Establish the identity. = cot ? - cot ?

What will be an ideal response?

Mathematics

25x² + y² = 100

Find the coordinates of the foci.

Mathematics