Simplify.3 ? 0 ÷  ? 5

A. 2
B.
C. undefined
D. 0


Answer: D

Mathematics

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The equation of an ellipse is given. Put the equation in standard form and sketch the ellipse.49x2 + 4y2 = 196

A.  +  = 1

B.  +  = 1

C.  +  = 1

D.  +  = 1

Mathematics

Solve the problem.The speed of a stream is 5 mph. If a boat travels 74 miles downstream in the same time that it takes to travel 37 miles upstream, what is the speed of the boat in still water?

A. 10 mph B. 17 mph C. 15 mph D. 18 mph

Mathematics

Translate from English to an algebraic expression or equation, whichever is appropriate. Let the variable x represent the number.A number increased by  of itself

A. 2x + 
B. x - x
C. x + 7x
D. x + x

Mathematics

Multiply the polynomials.(5x2 - 3x + 3)(x2 - 3x - 2)

A. 5x4 - 15x3 + 2x2 - 3x - 6  B. 5x4 - 15x3 - 1x2 - 3x - 6 C. 5x4 - 18x3 - 1x2 - 3x - 6  D. 5x4 - 18x3 + 2x2 - 3x - 6 

Mathematics