Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.)2.67x + 1.88y-z = 20.97x - 1.77y + 0.31z = -0.832.78x +y+z = 34.46
A. {(6, 9, 6)}
B. {(7, -6, -9)}
C. {(7, 6, 9)}
D. {(8, 4, 9)}
Answer: C
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Find the second derivative of the function.s = 
A. 
= 5t4 - 
- 
B. 
= 20t5 + 
+ 
C. 
= 5t3 - 
- 
D. 
= 20t3 + 
+ 
Find the indicated vector.Let u = 
, v = 
. Find 2u - 6v.
A. 
B. 
C. 
D. 
Provide an appropriate response.The height of an object thrown in the air depends on the time since it has been thrown. For a particular situation the height in meters of an object after t seconds can be represented by h(t) = 32t - 4.9t2.(a)What kind of function is this?(b)What is its degree?(c)What is its leading coefficient?
What will be an ideal response?
Find the complement and the supplement of the given angle. If the angle has no complement or supplement state so.-16°
A. No complement No supplement B. Complement is 106° No supplement C. No complement Supplement is 196° D. Complement is 74° Supplement is 164°