Write the percent as a fraction or a mixed number in simplest form.81.25%
A. 81
B. 
C. 
D. 81
Answer: C
Mathematics
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For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (t + 7)i + (ln(cos t) - 8)j + 5k, -?/2 < t < ?.2; rectifying plane at t = 
.
A. 
(x - (1 + 7)) = 0
B. 
+ 
= 0
C. - 
+ 
= 0
D. 
- 
= 0
Mathematics
Provide an appropriate response.Factor the polynomial completely: 4x2 + 24x + 20
A. 4(x + 1)(x + 5) B. (4x + 5)(x + 1) C. 4(x + 2)(x + 3) D. (4x + 1)(x + 5)
Mathematics
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Find the matrix of the quadratic form.4
+ 5
+ 3
- 4x1x2 + x2x3
A. 
B. 
C. 
D. 
Mathematics