The figure shows two right triangles drawn at 
to each other.
?
?
If 
, 
, and 
, find x and then find h.
?
Round each answer to the nearest whole number.
?
A. ?
B. 
C. ?
D. ?
E. ?
Answer: B
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Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = -8x4 - 4x3 - 7x2 - 4x + 9
A. 1 positive; 1 negative B. 1 positive; 2 negative C. 1 positive; 1 or 3 negative D. 0 or 2 positive; 1 or 3 negative
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.7x2 - 5
A. Monomial; variable x; coefficient 7; degree 1 B. Monomial; variable x; coefficient 5 ; degree 2 C. Monomial; variable x; coefficient 7; degree 2 D. Not a monomial
Show that the matrix has no inverse.A = 
What will be an ideal response?
Solve the problem.A pulley of radius 9 cm rotates 9 times in 128 sec. Find the angular velocity of the pulley.
A. 
radians/sec
B. 
radians/sec
C. 
radians/sec
D. 
radians/sec