Find 2u - 3v.
?
?
A. ?
B. 
C. 
?
D. 
E. 
?
Answer: D
Mathematics
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Provide an appropriate response.Which temperature could never have been a reading?
A. 88° B. 81° C. 76° D. 73°
Mathematics
Use Descartes's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation.4x8 + 7x6 + 6x4 + 5x2 + 4 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.When sitting atop a tree and looking down at his pal Joey, the angle of depression of Mack's line of sight is 46°8'. If Joey is known to be standing 15 feet from the base of the tree, how tall is the tree (to the nearest foot)?
A. 16 ft B. 20 ft C. 22 ft D. 18 ft
Mathematics
Graph the parabola.x = y2 - 4y + 4
A. 
B. 
C. 
D. 
Mathematics