Find the value of the expression using the given values.4 + 5x = 7, y = -8

A. 12
B. 68
C. -68
D. -12


Answer: B

Mathematics

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Find the Jacobian J(u, v). 

A. 64u2 B. 32v2 C. 32u2 D. 64v2

Mathematics

Evaluate the algebraic expression for the given value(s) of the variable(s).x2 - 5x + y2 ; x = -1, y = -3

A. 5 B. 13 C. 15 D. -3

Mathematics

The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 3, x = 8

A. r = 
B. r = 
C. r = 
D. r = 

Mathematics

Insert ? or ? in the blank to make the statement true.{9, 10, 11}  {0, 9, 10, 11, 12, 13}

A. ? B. ?

Mathematics